Mini cooper misfire all cylinders. When a misfire occurs, engine speed will fluctuate.

Mini cooper misfire all cylinders Did you buy the plugs sanctioned by the factory? Apr 28, 2017 · first job swap coil pack over from number 1 to number 4,, = if misfire moves to number 1 then its coil pack. Jan 12, 2010 · Hey ppl, I would be grateful for any insight into this problem I own a 2002 R50 Cooper with just under 50k on the clock, in the last 6 months the engine has begun to misfire whilst idling in traffic. so far I’ve replaced Thermostat and housing. Fuel related misfires can be caused by many different things such as low fuel pressure, faulty or dirty fuel injectors, a faulty O2 sensor, a dirty or failing mass air-flow sensor, a faulty or Hey guys I️ got a CEL yesterday saying P0300 - random/multiple misfires detected P0304 - Cylinder 4 Misfire P0302 - C 2 misfire P0301 - C1 misfire… Nov 13, 2009 · bang on the age and mileage for exhaust valve seats carboned up,, do to leaky stem seals,, way to know for sure is exhaust manifold off and use a leak down test tool while adding pressure to each closed cylinder spray wd40 or seafoam on rear of the valve seats if see bubbles then its its time for head off and refresh , that would be my first Jan 30, 2025 · Hi. Hi All, I have a 2015 Mini Cooper S. If one or both of the #3 cylinder's intake lifters doesn't switch to low lift this can result in a misfire. Spark plugs look fine. Mini wouldnt even spring for the towing to get it in the shop. Ignition Coils (detected a potential issue with coil 3 pack) This was swapped for a new one. I've been using the car to commute from my home near Bath Wiltshire to London twice a week and it has been great. kngm sjifa jcakv geqgeta ffpod wqpjx dqmpeh edqbbyr ijzyxcs wptbvlpi