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P0303 Diagnostic Trouble Code Discussion for February 2012

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
1999 Oldsmobile Alero GL 2.4L Misfire VIN: 1G3NL52T7X
P0303: Cylinder 3 Misfire Detected. This vehicle is not sparking on #2-#3 coil. Found broken primary wire to this coil and now have B+. Amp probed primary and find no switching. Have both IC inputs at module from PCM but still have no switching of the primary on this coil. Has had 2 aftermarket ...
February 04, 2012
2005 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMPU15505
P0303: miss fire 3. eng has a miss for sure #3, changed coils #3 with #1 still has miss.Fuel pressure in range.Cleaned injectors while there no change will check compression but at Idle cyls 1 thru 4 same bank show minus contribution at idle .cant find a vac leak and when rpms go...
February 06, 2012
2000 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWSA29M7Y
P0303: misire cylinder three. ... misfire, pulled codes p1255,p0300, p0301, and p0304.test ect wiring harness by unplugging sensor and got a reading of -46.5 celceuis (51 f)and with pin #3,#4 jumped got 141 celceuis(286f). tested sensor itself and was bad.replaced ect. for misfire tested w...
February 06, 2012
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPX14534
P0303: Cyl 3 Misfire. ... 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
P0303: Cylinder 3 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
2009 Nissan Altima S 2.5L Misfire VIN: 1N4AL24E09
P0303: Cylinder 3 misfire. ... this and help out in advance. The problem we have is that the vehicle keeps seeting a p0303. I have moved the coils, plugs, and the injector to different cylinders. The misfire stays with cylinder 3. I have scoped the iginition signal circuit at the coils ...
February 22, 2012
2000 Honda Accord LX 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1HGCG164XY
P0303: Cylinder 3 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
2009 Nissan Altima S 2.5L Misfire VIN: 1N4AL24E09
P0303: Cylinder 3 misfire. ... this and help out in advance. The problem we have is that the vehicle keeps seeting a p0303. I have moved the coils, plugs, and the injector to different cylinders. The misfire stays with cylinder 3. I have scoped the iginition signal circuit at the coils ...
February 26, 2012
1999 Oldsmobile Alero GL 2.4L Misfire VIN: 1G3NL52T7X
P0303: Cylinder 3 Misfire Detected. This vehicle is not sparking on #2-#3 coil. Found broken primary wire to this coil and now have B+. Amp probed primary and find no switching. Have both IC inputs at module from PCM but still have no switching of the primary on this coil. Has had 2 aftermarket ...
February 04, 2012
2005 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMPU15505
P0303: miss fire 3. eng has a miss for sure #3, changed coils #3 with #1 still has miss.Fuel pressure in range.Cleaned injectors while there no change will check compression but at Idle cyls 1 thru 4 same bank show minus contribution at idle .cant find a vac leak and when rpms go...
February 06, 2012
2000 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWSA29M7Y
P0303: misire cylinder three. ... misfire, pulled codes p1255,p0300, p0301, and p0304.test ect wiring harness by unplugging sensor and got a reading of -46.5 celceuis (51 f)and with pin #3,#4 jumped got 141 celceuis(286f). tested sensor itself and was bad.replaced ect. for misfire tested w...
February 06, 2012
2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPX14534
P0303: Cyl 3 Misfire. ... 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
P0303: Cylinder 3 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
2009 Nissan Altima S 2.5L Misfire VIN: 1N4AL24E09
P0303: Cylinder 3 misfire. ... this and help out in advance. The problem we have is that the vehicle keeps seeting a p0303. I have moved the coils, plugs, and the injector to different cylinders. The misfire stays with cylinder 3. I have scoped the iginition signal circuit at the coils ...
February 22, 2012
2000 Honda Accord LX 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1HGCG164XY
P0303: Cylinder 3 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
2009 Nissan Altima S 2.5L Misfire VIN: 1N4AL24E09
P0303: Cylinder 3 misfire. ... this and help out in advance. The problem we have is that the vehicle keeps seeting a p0303. I have moved the coils, plugs, and the injector to different cylinders. The misfire stays with cylinder 3. I have scoped the iginition signal circuit at the coils ...
February 26, 2012