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P0301 Diagnostic Trouble Code Discussion for February 2012

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2004 Porsche Cayenne S 4.5L Hesitation, Misfire VIN: WP1AB29P14
P0301: Cylinder 1 Misfire. ... The customer was in other shop for code P0199, sensor was replaced, but after three months same P0199 problem, and I think it is not related to engine hesitation. Recently the new problem happens: hesitation under very slight acceleration @1,600- 1,800 rpm...
February 01, 2012
2004 Porsche Cayenne S 4.5L Hesitation, Misfire VIN: WP1AB29P14
P0301: Cylinder 1 Misfire. ... The customer was in other shop for code P0199, sensor was replaced, but after three months same P0199 problem, and I think it is not related to engine hesitation. Recently the new problem happens: hesitation under very slight acceleration @1,600- 1,800 rpm...
February 02, 2012
2003 Cadillac CTS 3.2L Misfire VIN: 1G6DM57N93
P0301: Cylinder 1 Misfire Detected. Cylinder 1 misfire most of the time, plug darker than the rest. The valve cover gasket has been leaking and filled #1 hole and swelled plug boot. Suspected voltage jumping. Tested compression 175 PSI, 3 and 5 cylinder same compression and no misfire on those c...
February 08, 2012
2003 Cadillac CTS 3.2L Misfire VIN: 1G6DM57N93
P0301: Cylinder 1 Misfire Detected. Cylinder 1 misfire most of the time, plug darker than the rest. The valve cover gasket has been leaking and filled #1 hole and swelled plug boot. Suspected voltage jumping. Tested compression 175 PSI, 3 and 5 cylinder same compression and no misfire on those c...
February 10, 2012
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPX14534
P0301: Cyl 1 Misfire. ... while and can't seem to get it figured out. hope you can help. Started out with codes: P0012, P0174, P0300, P0301, P0302, P0303, P0304, P0316, P2196, and a P1000. Tech cleared codes and only the P0301 came back. Fuel trims LT were at 25 bank one and 10 b...
February 10, 2012
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG1657Y
P0301: Cylinder 1 Misfire Detected. This car came in with a slight miss at idle and all the codes listed below along with a p1399. I am leaning toward a valve adjustment but just wondering what everyones thoughts would be, it just barely runs rough at idle, fuel trims are 1.08 at idle 1.10 at 25...
February 10, 2012
2000 Honda Accord LX 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1HGCG164XY
P0301: Cylinder 1 Misfire Detected. Hello iatn members, i wish some body can help me to find this problem, i am out of ideas, can't figure what's causing this symptom. Well, this car runs perfect, good power, clean emissions, no problem at all, but once you turn the engine off after driving it f...
February 23, 2012