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P0304 Diagnostic Trouble Code Discussion for January 2006

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2001 Ford Escape XLS 3.0L Misfire VIN: 1FT34GU675
P0304: cylinder 4 misfire. Vehicle has very bad misfire when first started cold. Customer says occasionally dies out. Very hard to reproduce misfire and when it does happen it will come and go very quickly. I have tried checking, wiggling and everything to the pcm harness checking for b...
January 05, 2006
1995 Dodge Neon 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3P3ES47CXT
P0304: cylinder 4 misfire. Hello everyone. I have a 95 neon here that is misfiring on cylinders 1 and 4 at all times. I have tried plugs and wires, but to no avail. Checked timing marks on belt and seems to be okay, but, is there an arrow denoting the cam alignment? I only saw a notch i...
January 09, 2006
2001 Chevrolet Silverado 2500 6.0L Misfire VIN: 1GCHK29UT1
P0304: Cylinder 4 Misfire Detected. Hey guys, Got a Chevy here thats a little odd. We replaced the engine in this truck and have had a missfire since then. It is a fleet vehicle so no one knows if it is a preexisting problem or not. We flushed the injectors, that lasted for 2 weeks then #4 miss ...
January 11, 2006
2000 Mercedes-Benz ML320 3.2L Misfire, MIL Lamp on VIN: 4JGAB54E2Y
P0304: Cyl 4 Misfire Detected. ... It keep setting Code p0304, I can seem to get it to happen when accelerating on to the freeway, seems to happen either under load or decelerating. Dealer suggsted new wire set and plugs, customer brought car to us and we did the wires and plugs went out an...
January 11, 2006
2002 Volkswagen Jetta GLS 1.8L Surge VIN: 3VWSE69M22
P0304: miss 4. we took the vehicle for a long test drive and it seems that once in about 30 tries, going uphill (mediun grade), at about 3/4 throttle and at about 3200 rpm's the car will start to surge,not miss, the rpm's go up and down about 200 rpm's. it feel as if you are...
January 20, 2006
1999 Toyota Solara SE 3.0L MIL Lamp on VIN: 2T1CF22P9X
P0304: Cylinder 4 Misfire Detected. Good evening fellow techs looking for some help on this one thought it was going to be an easy repair. Orginnally came in with MIL light on lean exhaust found vacuum leak near intake manifold easy repair. Car came back 2 days later with MIL light back on now w...
January 24, 2006
2003 Dodge Neon SE 2.0L MIL Lamp on VIN: 1B3ES26C23
P0304: Cylinder 4 Misfire Detected. ... here with the following codes, p0300b and p0304. engine has no noticable misfires under load or at idle. customer replaced plugs and wires using bosch plugs. i replaced with oe champions. checked fuel pressure and its within spec. cleared codes an test dro...
January 30, 2006
2003 Dodge Neon SE 2.0L MIL Lamp on VIN: 1B3ES26C23
P0304: Cylinder 4 Misfire Detected. ... here with the following codes, p0300b and p0304. engine has no noticable misfires under load or at idle. customer replaced plugs and wires using bosch plugs. i replaced with oe champions. checked fuel pressure and its within spec. cleared codes an test dro...
January 31, 2006
2001 Ford Escape XLS 3.0L Misfire VIN: 1FT34GU675
P0304: cylinder 4 misfire. Vehicle has very bad misfire when first started cold. Customer says occasionally dies out. Very hard to reproduce misfire and when it does happen it will come and go very quickly. I have tried checking, wiggling and everything to the pcm harness checking for b...
January 05, 2006
1995 Dodge Neon 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3P3ES47CXT
P0304: cylinder 4 misfire. Hello everyone. I have a 95 neon here that is misfiring on cylinders 1 and 4 at all times. I have tried plugs and wires, but to no avail. Checked timing marks on belt and seems to be okay, but, is there an arrow denoting the cam alignment? I only saw a notch i...
January 09, 2006
2001 Chevrolet Silverado 2500 6.0L Misfire VIN: 1GCHK29UT1
P0304: Cylinder 4 Misfire Detected. Hey guys, Got a Chevy here thats a little odd. We replaced the engine in this truck and have had a missfire since then. It is a fleet vehicle so no one knows if it is a preexisting problem or not. We flushed the injectors, that lasted for 2 weeks then #4 miss ...
January 11, 2006
2000 Mercedes-Benz ML320 3.2L Misfire, MIL Lamp on VIN: 4JGAB54E2Y
P0304: Cyl 4 Misfire Detected. ... It keep setting Code p0304, I can seem to get it to happen when accelerating on to the freeway, seems to happen either under load or decelerating. Dealer suggsted new wire set and plugs, customer brought car to us and we did the wires and plugs went out an...
January 11, 2006
2002 Volkswagen Jetta GLS 1.8L Surge VIN: 3VWSE69M22
P0304: miss 4. we took the vehicle for a long test drive and it seems that once in about 30 tries, going uphill (mediun grade), at about 3/4 throttle and at about 3200 rpm's the car will start to surge,not miss, the rpm's go up and down about 200 rpm's. it feel as if you are...
January 20, 2006
1999 Toyota Solara SE 3.0L MIL Lamp on VIN: 2T1CF22P9X
P0304: Cylinder 4 Misfire Detected. Good evening fellow techs looking for some help on this one thought it was going to be an easy repair. Orginnally came in with MIL light on lean exhaust found vacuum leak near intake manifold easy repair. Car came back 2 days later with MIL light back on now w...
January 24, 2006
2003 Dodge Neon SE 2.0L MIL Lamp on VIN: 1B3ES26C23
P0304: Cylinder 4 Misfire Detected. ... here with the following codes, p0300b and p0304. engine has no noticable misfires under load or at idle. customer replaced plugs and wires using bosch plugs. i replaced with oe champions. checked fuel pressure and its within spec. cleared codes an test dro...
January 30, 2006
2003 Dodge Neon SE 2.0L MIL Lamp on VIN: 1B3ES26C23
P0304: Cylinder 4 Misfire Detected. ... here with the following codes, p0300b and p0304. engine has no noticable misfires under load or at idle. customer replaced plugs and wires using bosch plugs. i replaced with oe champions. checked fuel pressure and its within spec. cleared codes an test dro...
January 31, 2006