By the way this is a 2004 chevy cab and chassis w/dual tanks. kev2809, Jul 19, 2015. takes a little more work day to day, but it's a free repair. There is NO PROGRAMMING REQUIRED. I have a new tank and sending unit installed per instructions. #15 · Nov 18, 2012. By: room217au. Or you might have a bad fuel gauge on the dash. keep going a few more and you will get to the gauge check. Here are some of the Every few months the gauges will quit working. And to check the solder points, the instrument panel will first have to be removed. pbmw. 2004 - 2008 F150 - 2007 F-150 fuel gauge issue - My fuel gauge is not working properly. Never had a fuel gauge issue with any of mine my 14 LML started being non accurate at 37,000. Also check for a poor ground To diagnose gas gauge issues, perform tests on the instrument cluster, fuel sender, and gas gauge using tools like an electrical wiring diagram and a digital multimeter. I ran out of gas while going down the road with the fuel Dash gauges or gauge cluster usually refers to the set of gauges installed on a vehicle's instrument panel used for monitoring temperature, fuel level, voltage, and oil press. EXT4ME said: The very first thing I would do is have the battery LOAD TESTED. all gauges work fine except these 2 and the fuel tank. my gas tank is full and the gauge needle points to empty, Ivie had the gauge and sender both checked by TT-101-G. 95. J. 350. stop right there, do not push in the trip button anymore. Any diesel with a DEF system has a DEF quality sensor (which is typically a NOx sensor upstream and downstream of the def injector). To avoid experiencing a disastrous breakdown, schedule truck maintenance today. Then use a jumper to hook into the sending unit lead wire, and ground the wire to a good ground source, and it will go to "empty". The coolant temp sender is near the top of the block pass side and the fuel gauge sender is in the tank. The truck had about 119,000 when I purchased it 2 weeks ago, so I expected there to be a couple of general maintenace items to address. ( if the gauge is lit then a power and ground to the bulb as well) I’m thinking your gauge is not wired correctly or it’s the wrong gauge or sender. I done some reading and ordered the stepper motor. The gauge still showed less than 1/4 level and no warning lampthe tow truck driver put 3 gallons of fuel in If not then you have a blockage in the valve at the bottom of the tank. #5 · Feb 21, 2016. The gas gauge was not working when I bought it. It was a simple fix. In fact, this When the center of the needle is at the center of each of the fuel level marks, and starting at the F mark, you have 92% of 19. Put your lead ends on the 5 volt terminal and the sender terminal, you should read 21 to 24 ohms. off, continue to hold the button down and turn the key to on (do not start engine). 2008 F250 5. That moves fuel from the rear tank, to the front tank. Skutt. If you have had the gauge face off recently, check to make sure the gauge contacts are still touching the PCB. It is easier, and safer, to lift the bed to replace the tank unit-- if you have a couple buddys to help. At one end there is a feel sensor in the tank on the fuel pump that has a slider that moves with the fuel. The truck runs fine on both tanks. Kenworth 2006 And Newer 2 1/16 Inch Pyrometer Gauges. It's been a while since I've posted on here, but I need some help. Clean and re Getting the fuel gauge to work in my international 9400 I semi truck. The sending unit is not from a 67-72 truck but it is a 0 - 90 OHM scale and will be the same as the truck except the float arm is shorter. #Internationaltruck #FuelSendingUnit #SemiTruck Vnl Volvo Truck Fuel Gauge Sensor Giving Wrong fuel level Reading. Press and release the button 3 times, holding it down for 4 to 5 seconds the third time. Inside this tee is a rubber flap that sends fuel to the tank with less pressure. The signal from the fuel quantity sender is the purple wire. My fuel gauge showed less than 1/4 but more than empty and the yellow warning light was not on I drove to ATM and started truck and drove across parking lot and engine stopped and wouldn’t start. As the fuel level drops, the float arm moves down and that moves the variable resistor changing the voltage. Otherwise just hand calc your fuel milage so you don't run out of gas. Reconnect the gauge wiring to the unit and ground the unit. Rookie-31st Jan 16, 2017 @ 2:20pm. Sometimes, the gauge gets stuck at full or empty regardless of the content of the gas tank. Fuel gauge is usually a tank pick up issue, ohm fuel tank sender wires with a full tank should be close to 240 ohms and empty should be close to 40 ohms. 1987 - 1996 F150 - 92 fuel gauge not working - This is my grandpa's truck. Pull the plug off and see what the gauge reads. A fuel level sensor consists of two main components: the sensing system itself (also known as the sender) and the indicator (also commonly referred to as the gauge). Your Volvo Truck isn't Burning Fuel, My Volvo Truck Fuel Tank is Showing Empty, How To Cha It's probably the resistor on the back of the fuel gauge. No speedo, tach, fuel, or odometer. Are you having problems with the Gauges NOT working or sticking. Check the gauge to see if you got lucky. Test the wiring by setting your multimeter at 20V DC. All the gauges in my truck are working very well except the fuel gauge. Tachometer Gas: 0, 1000, 3000, S. 5. Again, touch the sending wire and the ground wire that you brought and watch for the gauge to spike in order to cross off the ground being the issue. Swapping to an IP with the gauge will show it. 1868 posts · Joined 2010. 2008 Ford Escape Fuel gauge is not working. Heim joint clutch linkage. Then, bring it to where the fuel sender is. 2006 Ford f350 King Ranch 6. Complete the payment process. Ground that wire to the frame, making sure the frame is clean. Hello all my son has a 1998 Dodge Ram 1500 and the fuel gauge has stopped working. 50R16. A piece of 2x2 angle shelf bracket with 1" of the end slit and bent back and it will lodge nicely in there. The gauge can also stop working because of a faulty sending unit, faulty wiring, etc. So any change in the resistance is directly reflected Advanced sells terminal cleaner that neutralizes corrosion on battery terminals. If it is, confirm power and ground. Coolant filter. And this is after I have just filled up. I found the stepper motors on e-bay and purchased replacement lights as well. If you are also Fuel Gauge defective Tools needed for the basics: Alligator Clip jumper (Make sure it works) Test light probe Radio Shack or equal Multi-meter If removing the gauge cluster, you will need a socket set, a couple of #2 Phillips screw drives and a pair of needle nose. The fuel gauge only reads quarter of a tank full. Lights behind the gauges may not be working, or the needles on the gauges themselves may be faulty and moving erratically. ANTIQUE AUTO SUPPLY in Arlington TX has ONE = 817-275-2381. The instrument cluster is the panel that houses the gas gauge and other gauges and indicators in the vehicle. If it's blown, replace with a new one. Check for any signs of corrosion or damage. Turn the ignition to the "run" position and have a helper watch the fuel gauge. I have a 1989 F-150 XLT Lariat 4x4 and my gas gauge won't work. 0 fuel guage inaccurate. 0 with 36 gallon tank and 123k miles 2 weeks ago. Next, I will show the ohm meter readings for the fuel gauge and the fuel tank sending unit. I have since replaced the tank, sending unit, gauge (12v) and all new wiring throughout the truck. These three components work together to measure the vehicle’s fuel level and Past 30 Days: 134. Sending unit failure. All parts were bought from Classic Parts. #6 · Feb 25, 2012. I bought a load tester at Harbor Freight so I can test my own. My fuel gauge would work about 50% percent of the time. it is definitely not a ground problem. If the dash gauge needle fails t move, the dash gauge is defective. The first and easiest way to check the gauge's operation is to pull off the power lead from the sending unit and, with the ignition key on (but without the engine running Mar 4, 2017. Disconnect it and check inside. Try this, I did the same when my tranny temp gauge needle did not move. The second and what seems to be the more common cause of Silverado fuel gauge or Sierra fuel gauge trouble is a faulty instrument cluster. #2. (Reason #1) Let’s ask a So I got this fuel filter gauge in the truck I've been driving the last few weeks. I put fuel stabil in a full tank. BDP modded IDM. Turn the ignition to the "run" position and watch the fuel gauge. Start it and let run, should take between 5-10 minutes to fill one of the cans to at least half. Fuel Gauge Will Not Read Below 1/2 Tank. There is an arm, float, and resistor in this system that works to keep a check on the fuel levels in your tank. Coincidences only happen to other people! 1987 - 1996 F150 - 92 f150 fuel gauge not working - I just recently bought a 92 f150 custom 4. Rich. Basically, the sending unit in the tank is simply a rheostat that changes voltage signal based on fuel level. Compatible with most Kenworth models from 2005 and older. If it does nothing, then you either have a bad wire or the gauge failed. In this video i show how to rebuild the Volvo semi truck instrument cluster if needle I fixed the wires & hoses to get my gauges to work, the selector valve fixed my fuel starvation issue. the gas gauge on it dosnt move from past full no matter what i do. 3 posts · Joined 2015. 11-12 years old and over 200,00 miles and have to take down the fuel tank to get to it - I am replacing the complete unit! Good luck with it. Also check the fuse panel under the This video is for 2003, 2004, 2005, and 2006 Volvo semi truck tractor stepper motor repair. SD starter. If it does not, then the problem is either the anti-slosh circuit board on the back of the cluster or the gauge itself. Received 0 Likes on 0 Posts. it has 2 tank. The air and It has several gauges: the speedometer, fuel gauge, oil pressure gauge, odometer, tachometer, and warning lights for system malfunctions. Gauges haven't worked since truck left the paint shop) Pull the fuse box cover and check the condition of the fuse for the gauges/instrument panel. If the gauge swings all the way to full, either the sending unit itself is bad or it has a bad ground. Buy a new gauge (about 396 posts · Joined 2014. If you Each company we work with has specific experience requirements for their drivers. 2 Turbo First, locate the fuse box of your vehicle and check the fuse related to the fuel gauge. Once again sorry for the major delay in replying. 9l 6cyl the fuel gauge has been pegged to the right past full for a couple of months now and ive finally gotten around to fixing it. I dropped the tank put a new sending unit in it. You should be able to reach underneath the truck and remove the wires from the sending unit. I have to box pulled to see if the sending unit could be bad. The less likely causes include wiring damage, a bad My fuel gauge has been erratic recently. Are semi-trucks supposed to expedite_it posted Jun 24 PROBLEM: Fuel gauge quit working light came on and stayed on empty and transfer pump of course did not work. 0 = empty and 90 (ish) reads full. Gauge is faulty, go to service station to replace it with working one. the air pressure works though. The fix was a new ignition switch ~$10 from NAPA auto parts. I am having inaccurate readings from the fuel guage. Here’s how to Depending on the problem, a faulty fuel gauge can be either quick and easy or nearly impossible to fix yourself. If the PCM detects certain faults, it will disable the fuel gauge entirely. $69. 196 posts · Joined 2013. Follow the fuel lines from the tank to the valve, it is located behind the transmission mounted on a Crawl under and disconnect the wire from the Sending Unit on the Gas Tank, have someone watch the gauge while you probe the connector on the wire with a Test Light. I fixed it with a new sending unit -had to drop the tank,made a great time to add my sump. Diagnosing the problem is the first step to fixing it. 2. If the fuse is blown, replace it with a new one. 48 Dodge Pickup. When I left in the afternoon, nothing was working. This morning I turned my truck off but put it on enough to leave the radio on which I never usually do. Clean and re-attach the ground and make sure it is making good contact and report back your findings. Make sure the ONE ground wire is good at the frame. Pretty much any of the fuel gage problems can be a result of the sender getting oxidized, but the erratic ones are more likely. With a malfunctioning sender, the gauge behaves strangely, making it difficult for you to figure out what’s going on. I have a Kodiak PPE tuner waiting to put a tune on the new The company offers superior-grade customized gauge solutions for your semi-truck and industry needs. Your truck may have the solid plastic float like in my 1985 D100. Here is a guide to help you understand your truck dashboard symbols, gauges, and warning lights. Go back and read all the posts in the thread and surely you will find the solution. this is a common proble so go buy one so you know what you are lookin for. Send your instrument cluster to KARMAN AUTO for the repair. I have sent the dash out and had it rebuilt and bench tested and it not the cluster. The ground for the circuit is the black wire next to the purple one. 0 is empty, 88 ohms is full. Ram Year. But when I start it it goes to E. Keep holding down the button until it says "chec" in the odometer then let go. The circuit is completed through chassis ground. ScanGauge II. #3 · May 5, 2013. 1998. If there is no ground, the gauge will max out. There's this somewhat-related issue with the sending unit being installed wrong from the factory. It does take the fuel level from both sending units, combine the readings in the PCM, then the PCM sends the level signal to the gauge on the cluster. You should have a widget like this on the inside of the frame rail in front of the rear tire. DIY Elec Fuel. SERVICE FOR 2003 to 2006 VOLVO SEMI TRUCKs. A faulty fuel gauge sender may cause the gauge to Most common causes of fuel gauge not working. The higher reading will be for a full tank. 93 f250 fuel gauge not working. Free shipping US orders over $99! 1992 fuel gauge issues. and i know i just filled 1st tank up. Ground that wire to the frame, making sure the frame is clean. Right after I hooked up the new wiring harness from Classic, I then went to hook the battery back up 335 posts · Joined 2012. As fuel level. If the gauge stays on empty then either the gauge is bad or there is a wiring problem. and this is the only harness i see under the truck that could possibly be it. mhyn, Sep 9, 2017 #6. the ohms go from 17 to 161 consistently. Reply Subscribe . It also means that the system is faulty and needs slo89stang. 95% of the time fuel gauge will read low fuel or show gas all the way full even though you know it isn't. If you ground out the wire at the sending unit the gauge should read just below empty. Erratic Gauge Behavior. Silverado and Sierra Fuel Gauge Problems. reading empty. One of the first symptoms of a problem with the fuel gauge sender is a fuel gauge that behaves erratically. if you unplug the pink wire from your tank the gauge should go empty,ground it it should go full. When the check engine light comes on the The fuel gauge is measured from the driver side tank so I know I have a problem because the needle drops quickly. both have the same tanks and are carbed. Most auto parts store will do this for you for free. The truck doesn't hesitate or anything like it's not getting gas, it's just the gauge acting erratic. Its about $200 cheaper. it is a 1992 xlt 2wd, auto, 5. Disconnect connector C434 by gas tank, resistance to sender should be between 30 and 150 ohms. 8L 4x4 2dr. Most likely it is the sending unit. This morning the gauge quit working all together. 3L 4x4 4dr. It’s also possible for the fuel gauge to become damaged. After driving for a few miles it goes down to about an 1/8 less and after a few more miles goes to about 3/4 of a tank. The only real telltale difference was the fuel gauge would remain on empty. It's got a few issues. Also check the fuse panel under the hood, if your instrument cluster dashboard is not working you may have a bad fuse. Fuel Gauge Problem. i thought for sure the float and sending unit were bad becuase they were rusted thru but the new one didnt do Most likely the tank unit-- if it was the stepper motor-- the low fuel light would not be on. Yes. 6. I recently bought a 93 f250 and I love it. 190 k on the clicker. When I stopped I ran the cluster self test and everything worked correctly but the speedometer, it made it's sweep but did it pointing from 45 mph to straight 1 post · Joined 2011. Add the VOLVO SEMI TRUCK TRACTOR Speedometer Gauges Dashboard / Instrument Cluster Rebuild Repair Service to your cart. I know I’m running low on full when the pin flops back-and-forth between empty and At AutoMeter, we offer the top notch customer service and the easiest solution for fuel level monitoring, ensuring you never run out of fuel at a bad time. Average failure mileage is 92,500 miles. When the tank is full the float in the tank moves the sender to minimum resistance and the gauge reads maximum current ( full TT-101-G. If you get a reading from both the resistors, try pressing gently upon the float resistor with the meter hooked so you can read a variable ohmage. I had it diagnosed at a dealership and they said the sender unit was the Start out at the tank. ERICSON FORD in Loup City NE has ONE = Page 76 Group 38 Instrumentation, VNL, VNM Service Procedures Gauges and gauge blanks are held tightly by their pin sockets. 1973 - 1979 F-100 & Larger F-Series Trucks - Troubleshooting 77 F250 Fuel Gauge Not Working - I am brand new to the forums - and we recently became the proud owners of a beautiful 77 F250. Auto Meter prides itself on making top-of-the-line products that are able to give the most accurate and precise data of your vehicle’s speed, pressure, temperature, fuel level, traveled distance, and everything in between. 3) The most common reason for a broken fuel gauge is a broken float, a sticking float, or a bad sender unit. Make sure there are no broken wires and confirm the connection is clean, tight, and free of corrosion. - When you turn on the truck there should be 12 volts on that tan wire. A faulty fuel gauge sender may cause the gauge to suddenly change positions, or give an inaccurate reading. If your sender works, but the gauges does not, you should use the voltage setting on the meter and either ask a mechanic or get a wiring diagram for the truck and test to see that you are getting proper voltage to the circuit at all points. If the Fuel Gauge moves, your problem is in the Sending Unit (either a bad float or a bad sender) 76 Ramcharger 318/727/203. WHEN DIAGNOSING/REPAIRING FUEL GAUGE CONCERNS ON 2005-2008 MULTIPLE VEHICLES, USE THE ONLINE VERSION OF THE WORKSHOP MANUAL. Ground the sender top plate using the jumper wire. Check papa tigers pictures for a picture of the circuit. You can now push the reset button to scroll through the menu, go till you get to one day it just didn’t start . 83 Scamp GT 2. Manteca, Ca. You could start by taking off the wire at the top of the tank, which is the ground. If the fuse is not the issue, move on to the next step. Ground the gas tank terminal post of the tank sending unit using a jumper wire. #8 · Nov 16, 2015. On top of this module is a fuel pump balance relay, it turns the rear pump on as needed to transfer fuel. Any ideas fellers? See All 24 Photos. This is a lot of reading so thanks to anyone who gets to the end and can help! Previous owner of my truck had removed the gauges and replaced them with some cheap mechanical ones. 0 4x4 c/c drw. i bought a new sending unit and installed it and nothing. The dash gauge is the cheapest to check. Battery . I recently came to my senses and upgraded my 2010 Tacoma TRD sport for something a little more powerful and truck-like by purchasing a 2002 Silverado 1500 Z71 5. decreases voltage. I just bought a 89 chevy truck 300k plus miles. Each quarter fuel mark as you go down will indicate 21% lower that the Erratic fuel gauge. 20 posts · Joined 2010. Verify by hooking up an ohmmeter to it and making sure it reads: 8-12 ohms full and 70-73 ohms empty (pre-1989) A Screenshot of American Truck Simulator. Posted September 15, 2015. 1987 - 1996 F150 & Larger F-Series Trucks - 87 ford f150 gas gauge not working - OK first off thanks for the help to everyone. i do a video in plugged, output voltages will vary from about . I wiggled around all the wiring that I could and nothing would get it to work. But not all the time. 5L) - 1989 Ford F-250, 7. VOLVO SEMI TRUCK TRACTOR SPEEDOMETER GAUGES CLUSTER REBUILD REPAIR SERVICE. With the tank showing the level buried under the red, your float is sunk - probably full of fuel. when it happened the first time, we tried turning the truck off and on every few min, multiple times, it didnt fix itself. I took apart the gauge cluster and cleaned it all out and still nothing. Starting at $213. There is no lift pump [on a stock Duramax] to push fuel to the engine. Temp . you can also check each gauge with a small 9 volt battery. everything will bolt right up. Clean the positive teminals and check. Connect/reconnect the halves several times to establish good pin contact. Is there a fuse, sensor or do I have to pull out the fuel pump. 0 volts at EMPTY. That’s why we offer a vast selection 1973 - 1979 F-100 & Larger F-Series Trucks - fuel gauge not working - i just got this truck and the fuel gauge not working. Yesterday, all my gauges quit working. Just turn the key to the on position while holding down the odometer reset button. 99. 0/302, 2 tanks. When I first brought it home the fuel gauge read empty, put $20 in the tank and it now read full. #5. Turn on the car and push the "Trip/Odo" button to put the odometer into "ODO" mode. There is usually a box of fuses under the steering One of the first symptoms of a problem with the fuel gauge sender is a fuel gauge that behaves erratically. My truck is doing the same thing. If the gauge spikes, you know that the ground is broken somewhere. 193. 0 is empty, 90 is full. At the moment we have 61266 miles on the truck. Admin. But the one I'm most worried about is the fuel gauge not working. The. I checked power to pendergraft is on the right track, most fuel gage problems start with the ground on the fuel tank either going bad, or getting rusty or corrided. ZF-6 speed. When his miles got down to about 100 left until The mechanical fuel pump is in use on this 429. #1 · Jun 28, 2011. 5 Military issue Humvee Tires. Is red when sprayed and turns yellow when activated on corrosion. It is a primary-ish power wire feeding the ignition from the underhood fuse block, though obviously not the only one as part of the truck seemed to be in normal working order when you Basically the fuel gauge is driven off of resistance to ground. dealer said tough it's out of warranty. Try grounding the gauge terminal at the gauge. just pull the shift indicator assembly with the cluster, remove the round upper column cover (one screw) then pull the looped end assembly off (another screw) and it wall come off as a whole. All was fine when I parked it. 2102 posts · Joined 2012. info quote 1: A gauge that pegs past empty indicates a short to ground (pinched to the frame, body, or dash supports) on the Y/W wire, OR a sunk float. I fixed the float, but the fuel level would not show over 3/5 full on the gauge. The fuel-sending unit is built into the fuel pump module. roscoe0202. Inadequate wiring between the gauge and gasoline sender or a blown fuse for the fuel gauge are other potential causes. GM senders are 0-88/90 ohms. The Self Test can be initiated manually by depressing and holding the Trip Reset button while turning the ignition on. How to replace mack truck fuel tank sensor For No In summary, common causes of fuel gauge failure include a faulty fuel sending unit, broken or disconnected wiring, a blown fuse, or a defective fuel If the gas gauge works, but reads lower than it should, check for defective wiring between the gas gauge and the tank sending unit. A gauge anywhere in between that doesn't move indicates an open circuit (blown fuse; corroded terminal) on the power (battery) side of the gauge OR a bad instrument cluster ground 51 chevy truck gas gauge not working. Turn the car off, then press and hold the "Trip/Odo" button and turn the car back on. you have trhee wires to the gas gauge . #1 · Nov 6, 2011. Then turn on the ignition switch for 1-3 seconds. i try though. You WON"T find a simpler technique for accurately testing the gauge and sender. Turned the car off, then back on again and everything came back to normal. FS1282, FF5320 fuel filters. He caught a load going about 300 miles out, so I asked him to try something. Starting at $283. If you get your possible wiring issues figured out, you should I have a 2006 western star 4900sa, i am having issues with all the gauges not working, all of the grounds appear good and the gauges will light up and make the sound like they are cycling but none move except for air gauges because of air line pressure to the gauge. It is a 3 wire connector, that runs from just behind the cab to the tank. The gauges will do the sweep at start but after that the oil, water, tach, and speedo will not read. "Disconnect the wire that goes to the fuel sending unit*at the tank. cab. '04 F550XL reg. Pull the wire off the sending unit and turn the key on; it should go to "full". It could be stuck. Any clues on what this could be. The most likely is the sending unit itself. do you guys think it's the The tanks normally equalize by the returning of fuel from the engine. Cosmic Charlie. A lot of times the pick up terminals on the sending unit are nor contacting the PC board strips on the sending unit. When I fill the tank it reads as full. #5 · Sep 27, 2011. A gauge anywhere in between that doesn't move indicates an open circuit (blown fuse; corroded terminal) on the power (battery) side of the gauge OR a bad instrument cluster ground When the truck is shut off the gauge goes well past full. I filled up the truck no change. 76. If it doesn't move, the sender is bad (new or not). 2002 Dodge Ram 2500 HO, SO VP44, 6 Speed, 4x4 with a 4 inch lift on 37/12. Fuel gauge behaves erratically. Bad wiring or connections. I just filled the tank to run the Techron fuel system cleaner, the gauge read slightly over the "F" full mark and took 10. In older non-computerized vehicles, the sending unit is wired directly to the fuel gauge. A common example would be a truck speedometer and tachometer gauge. 0 Double SLT. This can cause a loss of connection and prevent the gauge from receiving the correct information. The next step is to check for voltage drop. The whole gauge package was going out and so they replaced the whole unit but now have to have another installed as four of the controls on the steering wheel that set up the mileage etc are not working so it goes back to the shop tomorrow. First, check all of the electrical fuses. Hey CTS, thank you for the info. The sender is like every other GM fuel sender, it has a resistance of 0-88 ohms. In the 1982 Malibu, the fuel gauge receives power from a fuse. Another thing you can do is what I do. 89. Browse a variety of aftermarket gas/fuel level gauges to match your vehicle's resistance range (0-90 ohm, 0-30 ohm & more). Then we can go from there about trouble shooting the actuall gage. Hello. Other systems working ok, but did get a notice to service the traction control system. 80% of the fuel the engine pumps gets returned to the tanks. In the photo below the top right is A, the 24 posts · Joined 2017. - Find the other sending unit wire that runs up to the gauge. #1 · Jul 5, 2017. I am stoked to have found this community and already found so many useful posts. Went ahead and changed front tank sending unit ($125) still 32 posts · Joined 2012. Fuse was good. The later part of the video even covers how testing can be done with a scanne The fuel sending unit located in the gas tank to measure the fuel tank level. Last night it would go all the way up to 18-19 when rolling down a hill and not giving it any gas. If you are noticing the fuel gauge is inaccurate on your truck, or All gauges: Tach, speedometer, fuel, volts, temp frozen (almost as if the car is turned off) - but this happened all of a sudden while the car was operating. First thing to do is unplug the fuel pump while leaving it in the tank and check the resistance at the sending unit pin with a multimeter to see what your reading is. Made in the USA, it features a high accuracy PSI sensor that mounts directly on the fuel system, eliminating the need for fuel lines running to the back of the dash. that air pressure gauge has bad connector. And where the one shows above full, you have high resistance or more likely, an open circuit. THE FUEL The temp gauge, battery, oil pressure, and fuel gauges are not working. If your gas gauge If your fuel gauge isn’t working or is reading the wrong amount, the two most common causes are a bad fuel-sending unit or a wiring harness issue. Blue-spring fuel pressure regulator. Like. That one doesn't work either. Speaking of, my fuel gauge has been wonky lately (reading E for 3/400 miles then clearing the fault by itself) - but everytime I fuel I reset the trip odometer to 0. Eventually, it just quit working all together, and the gauge was stuck on empty, even though it was full of def. Empty is 0, full is 90. #4 · May 14, 2019. Unplug your sender, meter the plug. Auto Meter® Antique Beige Series Fuel Level Gauges. If the fuel gauge starts to read high, then you have a failed sending unit. The 83 is called a fuel sensor and reads 75-80 ohms empty and 6-10 ohms full. I does have the fuel pump replaced 6 months ago. My fuel gauge isnt working it shows empty and I have a check engine light on that has a u18a2 code and truck stays in high idle until I put it in drive . Furthermore, I purchased a second used cluster from one of our fellow DP members. All fuel for the engine is pulled from the front tank. Fuel Gauge Calibration: It is possible that the fuel gauge requires calibration. The fuel gauge stopped working and in the insturment cluster it says "fuel level data error". Got home and my garage door opener would not work and when sitting in car the map lights wont come on, the overhed lights work when you open the door. I have a 2000 silverado 4. if you get something close to where you think your level is (IE: 1/2 tank would be ~45 ohms), the sender is not the problem. Sending units work on the amount of resistance coming back from the sending unit. 4. So I changed both fuel filters today, but it didn't seem to help. the gas guage is having problemswhen you put gas in it, it will go with the fuel until it gets to 1/4 tank then it will just drop back down to nothing. 3l and just recently the fuel gauge will drop all the way to empty or half a tank while im driving or at idle. Fuel level sensors allow vehicle operators to monitor fuel consumption and determine when to refill the tank. The actual gauge should only have a wire from the sender and another wire to ground. #4 · Feb 6, 2011. Move the float arm up and down. Shop Interior Gauges and Accessories at Iowa 80. This is a pretty common and annoying problem with the Dakotas'. When you get to about 200 miles, top it off again. The most common symptom is an erratic gauge. I lifted the bed to gain access and replaced the hose. ive heard and read everything from fuses to Common issues that our repair resolves: Individual gauges such as the speedometer, tachometer, fuel, engine temperature, or oil pressure no longer work or are no longer accurate. He said he could kill the truck and cycle the key, and it would sometimes cause it to start working again. usually when the voltage reducer goes bad all the guages except the alt go to high. If it still doesn't go to empty then your gauge or resistor is bad or the gauge body is not grounded. If they break open or lose contact, you will see that. Also check the vent on the top of the tank to make sure there is no blockage in the vent. Make sure the cans are in as close to identical position in relation to the truck. connect both battery terminals to the gauge studs, if it moves the gauge is ok. The reading on the gauge changes based on the levels of the gas in the tank. the 15. TT-111-G. After about 200 miles the passenger tank starts to empty down a little to 3/4 but the drive side will be below half. 33 - $72. an ignition hot a ground,and the sender wire (pink) Like. Almost all 1998 -2004 Corvettes have a gas gauge issue and using Chevron Techron Fuel Treatment cures for about 1 Year - worth a try (GM Service uses it as well) seems high carbon fuel messes wit the send switch 2015 Sierra 25HD 6. In some cases, a gas gauge not working can be attributed to a faulty instrument cluster. This product specifically addresses problems with the speedometer, tachometer, gas gauge, temperature gauge, battery gauge, oil gauge, and transmission temperature gauge. The dealer wanted over $500 to fix. « Reply #9 on: June 19, 2015, 09:49:30 AM ». I checked and I have 6v to the gauge. The fuel gauge does not work, on either tank. Press and hole the reset button on the cluster gauge with ign. i put 5 gal in other tank both show empty. If the voltage drops, the fuel gauge sending unit I had tried when I first woke up that morning, and found out that they weren't working, to turn the truck off and then started it again thinking maybe it was just a small glitch and it would fix itself, it didn't work at that time, but the difference later when I was fueling was that the truck was off for about 30 minutes while fueling before Good luck. 5L, ZF5, Dual Tanks Decided to fix my fuel gauge issue the other day, where the pin stays pegged past the full position. If you plug the connector back and test again, the fuel gauge sending unit should create resistance. increases, the float and arm move up, which. I now have 100000 miles on the truck at the time of the 193. I lost all guages on my 2004 3\4 ton Suburban. " You need to figure out how to ground ck the sending unit. you should be able to change withou removing the dash. Fuel level sensors work by measuring the voltage across a variable roscoe 0202. If it were, your fuel gauge would be pegged to the 3 o clock position. As fuel level decreases, the float. Fuse Assortment Kit,306pcs Car Boat Truck SUV Auto Automotive Assorted Replacement Blade Fuses Standard & Mini & Low Profile 12. The gauge reads 0-90 ohms. Unplug DEF pump harness and check for DEF inside the harness connector. « Reply #5 on: August 25, 2013, 01:23:55 AM ». fixed on many trucks. i have a 92 f150 4. Also unplug the Turbo actuator connections and recheck. LF777 bypass oil filter. Pull both the wires off the gauge, put you meter on the ohms setting, mine meter has a 20, 200, and 2000 ohm range, use something around 200. 95 - $197. 1982 C10 gauge replacement - help needed troubleshooting. O. Now, the fuel gauge doesn't work. denarli6. The idiot lights will come on at start up, then go out, but nothing else. Can not find Electric fuel pressure gauge. BPD oil and egr cooler, DC Power 270 amp XP A short summary of Common Volvo Truck Sensor Problems to Expect: The most common Volvo truck sensor problems encountered are faulty instrument clusters, speed sensors, throttle position sensors, NOx sensors, and VEC sensors. Fuel gauge issue is usually a cluster issue, but don't bother replacing 1 stepper motor proper part BTW is x27 168 Stepper and be aware of cheap pendergraft is on the right track, most fuel gage problems start with the ground on the fuel tank either going bad, or getting rusty or corrided. Hi I am new to the form but I could really use some help. Don't forget that the sender wire is routed through that tank selector solenoid valve. and everything was working fine. It might read 5 mph fast till the next time I restart the truck. when we leave the truck sitting for 15-30 min and turn it back on, none of our gauges work. Another reason an RPM gauge may stop working correctly is because of a faulty connection. I had a turbo actuator short out the J1939 line and cause the DEF level sensor not to read as it If the float is OK and the float arm seems to be swinging freely through its full range, replace the tank unit. I am assuming that since you said you had it set up for one tank, that you disconnected the fuel lines from the valve and connected the one tank through to the A defective fuel level transmitting unit is the most frequent cause of a fuel gauge not functioning properly or being incorrect. The solution was to backfeed power into what GM called circuit 242 under the dash. This is a list of what steps I took. 1987 - 1996 F150 - 1989 fuel guage quit working - I had to store my '89 XLT Lariot for a couple months. there is two posts on the back of the gauge, one is for power the other for the sender, i have those wire hooked up properly. Remember no power. They sort of half worked and left the truck with some white faced gauges {aftermarket} The third option is to top off the tank each time and use the trip meter for each time. O2 sensor and replaced the tps. 17' LTZ Duramax Crew, 295/60/20 Toyo AT, Fuel 20x9 Mavericks, Bakflip MX4, Full BedRug. To check the fuel gauge voltage, remove the instrument cluster by referring to the user’s manual. If I turn the ignition switch off and press the brake pedal, it runs the gauge all the way up until pegged; but when I turn the switch back on, it runs it back down to empty. I would start by checking the connector on top of the tank that plugs into the sender, sounds like an intermittent open or short. Received 5 Likes on 5 Posts. Originally posted by At the time Advance Auto, Oreilly's and AutoZone did not sell only the fuel gauge sensor ( sending unit), so I had to replace the whole unit. In this video, Classic Truck Specialist Dave Welch shows us how to diagnose and repair problems with a non-functional or finicky Fuel Gauge on Chevrolet & GM Go to the sending unit wiring at the tank and ground the signal wire, see if the gage responds to full. The solder points may be cracked. the voltage reducer is about 1 inch long 1/2 inch high look behind the cluster. Also, it is possible for the gauge to move sporadically providing nonsensical readings. It means that the gas gauge is faulty. 1. I know the fuel sender is good in the tank. Here are all the causes with their solutions. The fuel pump relay has nothing to do with the gauge. then the wire for the sender hooked up to the one post on the sender. When the truck is off the needle moves to about 1/4 tank. Auto Meter® American Platinum Series Gauges. At Iowa 80, we understand that truckers rely on gauges to measure a variety of systems and keep systems running smoothly. Here are two pics info quote 1: A gauge that pegs past empty indicates a short to ground (pinched to the frame, body, or dash supports) on the Y/W wire, OR a sunk float. Engine. The gauge may appear to be at three quarters, and then only a few minutes later will Note: Cab and Chassis models have two tanks- when the front tank is low, the system senses that, and turns on a transfer pump. Just follow the steps. 210. Sort by Oldest first Oldest first Newest first Most reactions. 2019 RAM 3500 Crew 4x4 Cummins H. TT-159A-G. Run a jumper wire directly from the stud on the sending unit to the gauge and one from the ground on the sending unit to the battery ground, then check the gauge and see if your getting a good reading or not. Well I filled it up, it was only at 3/4 of a tank but we are going on a longer trip later this week so I wanted to fill up. "Working Girl": 1978 K-10 RCSB 350/TH350/NP203 +2/+3 Tuff Country lift. Your readings may be around these numbers. then I did all the test that I found and have not been able to pin point the problem . Here are the symptoms you Lights behind the gauges may not be working, or the needles on the gauges themselves may be faulty and moving erratically. The fuel gauge sends the power to the fuel sending unit potentiometer in the tank. I checked for continuity of each of the wires from the tank to the gauge. The stock wire should be tan. Heavy duty trucks have more complicated dashboard symbols and gauges than regular vehicles. 1999 - 2003 7. Before you buy a sender, test what you have to ensure the gauge is good. 1999 Blazer 4. Fuel Sender Unit: The fuel sender unit is responsible for sending the signal to the fuel gauge, indicating the fuel level in the tank. On 2003-2006 GM Full size Truck/SUV. My problem was both the float and the sender. If the dash gauge now reeds empty, the gas tank unit is defective. Logged. 2015 GMC Canyon SLT, V6 Crew Cab Short Bed - Quicksilver Metallic, Driver Alert package, Navigation, Bose Audio, Trailering Package. Leave the wire from the gauge installed on the sender. It may be that the draw line from the one tank has a shut off valve or plugged. Jun 24, 2021. There are two sets of connectors, one is for the auxiliary tank, the other is for the main. $71. 5 gallons left. If you don't replace it nothing bad will happen. removed the fuel tank and actuated the float up and down . DP 80hp tuned PCM. you use the sending unit from an f250 with a 460. kev2809 Light Load Member. They may not be your case, but spending $10-$20 on a can before spending hundreds replacing the sender or the gage might be worth it. kev2809, Jul 19, 2015 #5. If there is not, then you need to trace it back and find out where it is Just finished installing 7 new stepper motors to my gauge cluster. Your fuel sending unit in your gas tank needs to be replaced. I replaced the sending unit and it still does it. If not then you have a blockage in the valve at the bottom of the tank. If you look at pics 2 and 3, that is what I was able roadram360. 2012 Silverado 3500 dually, 6. The instrumental panel is a larger circuit board attached to each meter and gauge. last night it started reading twice what speed I was actually traveling so that the needle points straight down or more. Tranny temp. Thread Tools Search this 1. Then another day it will pull all of the fuel from the passenger side and hardly touch the driver side. willardearl76 Discussion starter. Faulty Connection. The sending unit potentiometer is connected to a ground point. It depends on how it is setup, but a lot of those trucks do not have a cross over to balance the tanks rather they draw from both to a central location then to the engine and a return to another central location then to each tank. Adrenaline HPOP. Faulty gauge or instrument cluster. Check this first if more than one gauge is acting erratically, as this is Replace exhaust from the headers back. Treat the temp sending unit the same way. I know that the sending unit is good, tested it with a meter while the tank was out, reads with a changing resistance as the float moves up and down. The gas gauge of the Ford F150 truck determines the tank fuel level. If not gauge is toast and send it to Mark. My speedometer hasn't worked for probably 2 years. The wires that connect the gauge to the engine can become loose or damaged. If the gauge reads full in the full up position and empty in the full down position, then the sending unit is good. How to Diagnose a Non-Functional Fuel Gauge | Kevi Mack Pinnacle Fuel Tank Gauge/ Sensor is Not Working Properly, How To Check Your Fuel Tank Without A Gauge. Chevy 04. Some fuel gauges go low to high resistance and some high to low Also some to 30 ohmsand some to 60. The instrument lights will flash and all First thing is to measure return flow. 1) Bad connection on top of the fuel tank to the fuel tank sending unit. Get two identical fuel cans, pull the return hoses off the tanks, put them into the cans. , mounted on a crossmember is what looks like a tee in the return line. If a gauge or cluster of gauges is broken or malfunctioning, the problem may range from a 385 posts · Joined 2009. The Parts for 2003, 2004, 2005, and 2006 Volvo Semi Trucks offer a solution for those experiencing issues with their gauges not working properly or sticking. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - 85 F150 fuel gauge will not work - to start this is my neighbors teenagers truck. long story short there's no in between just full and empty but it moves between full and empty as I brakes or take off. I had the brass float and it developed a pinhole that allowed it to fill up with gasoline and sink to the bottom. 2000, 2003, 2005, diesel, f150, f250, f350, fuel, gas, gauge, gem, indicator, level, module, working. Anyone with dual tanks having problems with fuel gauge or the automated balance flow system this may help. 28. Gas . im not to mechanically inclined either so bare with me. I have a 1954 3100. No. Next, test the wiring and electrical connections of the fuel gauge system. if unpluged it still reads full check the wireing under the dash. The most common reason is that the fuel level sending unit has failed and is not accurately reading the fuel level. the wires coming from air pressure gauge . I replaced the fuel pump in april because it got whining so bad and the gauge worked only half the time. First-generation Silverados are notorious for dealing with choppy solder points. Oil . The gauge is easy to install, fitting into a standard 2 1/16 inch hole, and comes with a 10-foot cable assembly. It may quickly change its position or give you an inaccurate reading, which we touch on more in a minute. They monitor the amount of fuel used, and how close each tank is to empty. 0L extended cab, cab&chassis flatbed, upgraded to 4wd. Had to replace the fuel pump and that’s when I noticed the fuel guage not working. Goes from 0-20. However, after completing the project, the digital odometer and the speedometer stopped working and fuel gauge will only read a 1/4 of a tank even after being filled. Jul 19, 2015 #6. here is a look at the dash. Behind the gauge are three metal clips that the posts on the back of the gauge get the inputs. I got it to work one time when I wiggled 1. IF THE FLEX FUEL CONVERTER WIRING HARNESS IS DETERMINED TO BE AT FAULT, REPLACE WITH PART NUMBER 6L3Z-14407-A. I recently bought a 2005 6. check your dash grounds. Attached is the wiring diagram. My 2003 dmax fuel gauge went to empty about three months ago and light stays on. Load Weight Sensor Gauges. Based on the resistance provided by the potentiometer, the needle on the fuel gauge moves to the position indicating fuel level. mhyn, Sep 9, 2017. If you get a low voltage, move on to the next step to check the wiring. Your gauge will go into "TEST" mode. 2004 Sierra 3500 dually, 6. The gauge will probably continue to work for a bit when you fill up the tank. All new motors for all gauges. Jul 2, 2015 0. Speedometer . 2004 - 2008 F150 - Fuel gauge not working - Yesterday my fuel gauge stopped working it is pegged all the way to the left. jeffstoy. Well it still shows that I have 3/4 of a tank Remove the sender from the tank. It could be the sending units but none of the other gauges on the dash work either. You can also see what you are doing. You will have to drop the fuel tank and replace the fuel pump/filter assembly The sender, filter, and pump are all one assembly, so you'll need to buy a whole new pump assembly to change the - 1997 It will start to go through some checks, you need to start pushing in the button to taggle through the checks you will get to one where all your dash lights will come on to check all of the bulbs. 0 ohms would be shorted and infinity would be open sender. 2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck. 9l duel tank. LUK SMFW. Then it would slowly go to 1/16 when there was 3 to 3. This will put infinite resistance (not zero) to the gauge and it should go to FULL. Peterbilt 2005 And Older Speedometer With Odometer And Trip Meter. Turn the ignition on and move the float arm all the way up. 3. someone had put a new gauge down low, that not working either. Usually behind the trans. At least this is the rear tank troubleshooting advice I have " Disconnect the wire that goes to the fuel sending unit at the tank. Voltage may start to drop. Starting at $275. Fuel gauge on my F250 didn't work with code B1204. 90 posts · Joined 2009. The gauges should position at the following calibrations points: Speedometer MPH: 0, 20, 60, 90. If it does, then the problem is the sending unit in the tank. 2) Bent float arm on the fuel sending unit. Passed emissions today with no problems . I have a 1988 Chevy C1500, 350 TBI. Give us a call at 865-964-6598 or reach out to us online. 3 out of 5 stars 382 Step 1 – Check the solder points. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon Auto Meter® American Muscle Series Water Temperature Gauges. There are a lot of good, knowledgeable people here. But - same story. Tach . 1988 S-10 Blazer 2. As VileZambonie says, if you pull the plug off the tank A bad fuel gauge will make it close to impossible for you to work out your fuel tank level. Right after I hooked up the new wiring harness from Classic, I then went to hook the battery back up 2005 F350 fuel gauge problem. Which this fixed the gauge. Few other common causes are fuse, circuit problem, silver tarnishing, and sulfur 1 / 1. Once the repair is complete, KARMAN AUTO will return the fixed instrument cluster to you. 186 55. Cruise control was on and i was doing The sending unit in a semi-truck works as a gauge to determine the fuel levels in each tank. It will swap from one tank to the other with no issues. If you disconnect the connector to the fuel pump assembly (by the gas tank), turn the key ON, the gauge should swing to FULL. A battery with weak, dying or dead cells can cause all sorts of weird electrical things to happen in these trucks. Engine oil pressure and fuel gauge may not be working at all. 4L Fuel Gauge Erratic. Used to read between 2-5. Knottypine Jan 16, 2017 @ 3:36pm. Oct 6, 2009. I bought a 2011 lariat 5. Location: Santa Clarita, CA. resistor track is used to vary the voltage (resistance) depending on fuel tank float level. Save Share. To remove, grasp the side of the gauge face plate CAUTION with your thumb; place your 2nd and 3rd fingers underneath the face plate Do not bend the printed circuit board. put the def/fuel gauge next to odometer. I just got back from iraq in i bought a 1987 ford f150 1/2 supercab. The gauge works by changes in resistance, so clean connections are absolutely paramount! The sending unit is a typical GM 0-90 ohm value unit. Slightly toward the rear of vehicle along the frame rail. - Make sure the sending unit has a ground wire and that it is properly grounded. Recently I found a fuel leak in the hose that connects the fuel neck to the fuel tank. I checked the fuse in the cab fuse panel. If the needle moves to full you need to adjust the gauge. volts at FULL, to about 7. The fuel level sending unit is attached to the fuel pump itself and the entire fuel pump will need to be replaced to repair this problem. 6. If that doesnt help I would pull the sending If gauge still reads "F" or beyond, -----find and repair the open between gauge and tank The third step in the chart is if gauge reads wrong, but that's not what you have going on here. Follow the fuel lines from the tank to the valve, it is located behind the transmission mounted on a BUT you are still ok. One terminal showed continuity from the wire to one terminal only. Checked fuses cause I was getting no voltage to the sending unit. Our rebuild service includes: All new backlighting. ontario. Why is my Ford F150 Gas Gauge Not Working? Ford F150 gas gauge stops working due to the damage in the sending unit, wiring issue, gas gauge failure. If your other gauges and the cluster lights are working then the cluster is grounded. #1. 1987 - 1996 F150 & Larger F-Series Trucks - Incorrect fuel gauge readings (‘89 F250, 7. EGR delete. 3L Power Stroke Diesel - Fuel gauge or fuel level indicator not working - My fuel gauge was reading 1/2 a tank and then instantly dropped all the way to empty and the fuel light came on. Your mileage and hours will not be affected. 5 gallons. Before you spend that money drop the gas tank and check the wiring inside the tank to the sending unit. Take another piece of wire, ground it also, and just stick the other end in one hole for a sec and see if Reseting a Digital Fuel Gauge. When I put in a new fuel pump I also put in the new gauge 2011 5. smokeybones Discussion starter. Waiting for it to arrive my check engine light came on a few times when I plug truck up when it gets really cold and gives the temp sensor something code. sometimes the damn regulator on the cluster doesn't fit tight and the gauges just sit there. The float rides on top of the fuel. 4 posts · Joined 2011. I have changed most of the fluids, The 2004 Chevrolet Silverado has 10 problems reported for fuel gauge not working properly. If you receive 12 volts, this means that the gauge is the issue and should be replaced. no RPM, no MPH, no oil pressure, no coolant. It takes a good soldering iron and a solder sucker tool you can buy at Radio Shack. If the gauge swings all the way to full, either the sending unit itself is bad or it Instrument Cluster Fuel Gauge-Use with Leaded Fuel / Obsolete. Over time, these sender units can become faulty or worn out, leading to inaccurate readings on the fuel gauge. When I cranked it the fuel gauge will not register. The sending unit has an resistance range of 40ohm to 250ohm. Re: 1972 c10 fuel gauge problem. This module is located by the front (main) lift pump. Location. So, first check to see if it is connected. Gas Gauge and Temp gauge doesn’t work. hook up the cable to odometer . The later part of the video even covers how testing can be done with a scanne 210. 33 - $702. 2. Applications: 1973/74 F100/350 / 1975/76 & 1977 F150/350 before serial number O80,001 / 1975/76 & 1977 Econoline before serial number O80,001. There are a couple of reasons that would cause the fuel gauge to stop working. As a semi-truck driver, ensuring road safety and that your vehicle is in proper working order are two of your most important concerns. 0l, crew cab, long box replaced w flatbed. 3L. This can Re: 1984 Silverado Fuel Gauge Issue. 7, 360. Tachometer Gas: 0, 1000, 3000, It would drop rather fast to 1/4 tank when driven, then stay there for many miles. If you disconnect the wire, it will go way past full. . Molded Dashboard Covers For Semi’s Quiet Dog posted Jun 26 Each company we work with has specific experience requirements for their drivers. The plug on the back of the gauge cluster is plugged in since the lights work. I went to work in the morning. The circuit is just an ammeter ( fuel gauge) and a variable resistance (the sender) in series with the battery. I'd write it down if I had to. If that’s not the case, here are some of the main reasons behind an inoperable fuel gauge: Blown fuse. Observe the gauge in question while the Instrument Cluster performs the Self Test. All Time: 37,549. Take the positive lead and ground it. Cat EC-1 coolant. SAMDO Universal Fuel Gauge Digital Fuel Level Gauge Marine Fuel Meter Full Waterproof Signal Adjustable 7 Color Backlight 52mm 12V/24V 0-190ohm, 240-33ohm, 240-30ohm, 0-180ohm, 10-180ohm 4. 0 F350 that fuel gauge wasnt working when I bought. Fuel Gauge not working. Sep 9, 2017 #7. $102. If all that checks out then you more than likely have a bad splitter valve. The gas gauge in my 1980 D150 quit working. Other clues were lower than normal oil pressure reading and pegged out temp gauge. #7 · Jun 19, 2010. 0. 2004 - 2008 Ford F150 - Fuel Gauge not working - I posted this a little while ago but I have a huge update since then. Gauges. The problem could be with the sending units or their wiring. These sensors monitor the truck’s status and health and must be fixed immediately when they are found to be Re: 1987 R30 fuel gauge not working. Fuel gauge test. Some sending units are attached to the fuel pump assembly, while others are stand-alone units, but both are made up of the same three components: a float, a metal rod/arm, and a variable resistor. But from what I have read on other forms the sending until seems to be fine it gives off the correct Oms for Yes, the trans already has the sensor, and the ecm/tcm is wired up and monitoring it, the IP just doesn't have a gauge to display the data. It cost me $100 for the part and about 2 hours worth of time. seems to happen pretty randomly. If you use watered down DEF, or some other substance, the NOx is not reduced and your truck throws a code and may be idled. #1 · Oct 5, 2014. See if your gauge pegs to the 3 o clock position. Feb 5, 2016. qa hj ud wn so ki ah lv ae ua