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P0301 Diagnostic Trouble Code Discussion for October 2014

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2006 Volkswagen Golf GTI 1.8T 1.8L Poor Idle Quality, Misfire, lean VIN: 9BWDE61J86
This vehicle is a problem child! Misfires and runs lean only on cold starts for maybe 60 sec. Once secondary air pump turns off it will run perfect. I have changed every thing that was backed up by failed tests. The last thing was smoke testing for vacuum leak...
October 02, 2014
2006 Honda Pilot EX 3.5L Misfire VIN: 5FNYF18406
P0301: Cylinder 1 Misfire Detected. vehicle came back to us running rough and both vtm 4 light and cel back on. found oil in all sparkplug holes. upon talking to customer we discovered that another shop had put head gaskets on 5 mos. ago. we replaced both valve cover gaskets and cleaned out spar...
October 09, 2014
2007 Jeep Patriot Limited 2.4L MIL Lamp on VIN: 1J8FF28W37
P0301: Cylinder 1 Misfire Detected. Car came in with these codes and 2 qt low on oil. Changed exhaust cam sensor and crank sensor. Performed oil flush. Scoped crank and cam sensor signals. Timing appears to be good, using know good waveform. There is a voltage spike occuring with regular frequen...
October 11, 2014
2006 Honda Pilot EX 3.5L Misfire VIN: 5FNYF18406
P0301: Cylinder 1 Misfire Detected. vehicle came back to us running rough and both vtm 4 light and cel back on. found oil in all sparkplug holes. upon talking to customer we discovered that another shop had put head gaskets on 5 mos. ago. we replaced both valve cover gaskets and cleaned out spar...
October 13, 2014
2006 Ford E-450 Super Duty 6.8L Stall VIN: 1FDXE45S46
P0301: cyl 1 misfire detected - history code. Good morning one and all this is a new customer, van is used for delivery of baked goods - aprox 200 miles a day. Problem: drivers complain of intermittent engine stall out, always at idle - foot off the accelerator pedal, usually when turning, sometimes just...
October 21, 2014
2005 Subaru Impreza WRX STI 2.5L Misfire VIN: JF1GD70625
P0301: Cylinder 1 Misfire Detected. Has anyone had a Subaru Wrx with mutiple failed coils. The car came from a car lot with a misfire and we found a failed coil and replaced it with a new unit. The repair lasted a couple of days and the new coil was dead again. Checked the spark plug and it was ...
October 29, 2014
2005 Audi A4 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAULC68E65
P0301: 1 missfire. The car runs good as long as it doesn't rain. Ok customer said on a day that is raining he will go out in the morning and start the car and it starts good and no check engine light on he starts going down the road car runs good until he steps on the brake and ...
October 30, 2014