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P0301 Diagnostic Trouble Code Discussion for January 2015

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2005 Ford Escape XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMYU93175
P0301: Cylinder Number 1 Misfire Detected. Reassemlbed heads on engine. It fired right up but runs on bank #2 only at idle. When rpms are increased to 1500 + it smooths out. We have 180 psi compresson on affected cylinders. We have confirmed spark at all 3 affected coils. We have swapped coils and plug...
January 09, 2015
2000 Volkswagen Jetta GLS 2.8L Misfire VIN: 3VWSE29M3Y
only obd2 global on scanner
January 19, 2015
2003 Acura TL 3.2L Misfire, MIL Lamp on VIN: 19UUA56623
P0301: Cylinder 1 Misfire Detected. this car will randomly misfire on all cylinders at an idle. It seems mostly on cylinder #2 but other cylinders will also miss just once like every 15 seconds. fuel trims look good. looked at intake valves when I had intake off to see if all carboned up but loo...
January 20, 2015
2004 Ford Escape XLT 3.0L Misfire VIN: 1FMCU03174
P0301: Cylinder 1 misfire. ... one. Initially we only found a p0300(random misfire) code set in computer memory but engine was running with a misfire. Engine compression tested at 180 psi on all cylinders. Injectors tested at 13.2 to 13.7 ohms on all cylinders. Injector drop test has th...
January 22, 2015
2002 Audi A4 Quattro 3.0L MIL Lamp on VIN: WAULT68E12
P0301: misfire cyl1. Car is in the shop for a check engine light. this is a regular customer of ours and she has spent a lot of money in the last few years on this car. we recently did 6 coils and plugs, we did Cats, a timing belt (about a year ago).. among other things The car n...
January 24, 2015
2005 Volkswagen Passat GLS 1.8L Misfire, MIL Lamp on VIN: WVWDD63BX5
P0301: Cyl 1 Misfire. Clear codes and vehicle runs perfect. After driving under heavy load, vehicle will intermittently idle rough and misfire. Normal idle MAF reading is 3.5 g/s or so, when misfiring the MAF is reading between 7 and 10 g/s. Also when misfiring fuel trim will be ma...
January 28, 2015