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P0304 Diagnostic Trouble Code Discussion for June 2011

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
1995 Subaru Legacy 2.2L Poor Idle Quality, Acceleration VIN: 4S3BD6355S
P0304: Misfire cyl 4. OK have a doosy here, this subaru came in barely drivable. The idle is poor and stalls sometimes. But the most obvious symptom is the acceleration, it bogs right down like the cat is clogged Just like you stuck a banana in tailpipe. I dropped the exhaust at ma...
June 10, 2011
2004 Infiniti I35 3.5L No Start, MIL Lamp on VIN: 1I14567891
P0304: Cylinder 4 Misfire Detected. I have this infinity came in for intermittent no start and check engine light. During testing I found the engine to not have spark right away I did read about the fuel pump issues and have good fuel pressure although I could smell it and tried to add fuel duri...
June 15, 2011
2004 Infiniti I35 3.5L No Start, MIL Lamp on VIN: 1I14567891
P0304: Cylinder 4 Misfire Detected. I have this infinity came in for intermittent no start and check engine light. During testing I found the engine to not have spark right away I did read about the fuel pump issues and have good fuel pressure although I could smell it and tried to add fuel duri...
June 16, 2011
2000 Mercedes-Benz C230 Kompressor 2.3L Excessive Emissions, MIL Lamp on, VIN: WDBHA24G6Y
P0304: cyl 4 history. original complaint was eng lite-was only air inj at time,year ago..since then, has had misfire along with air code. replaced plugs, air check valve, checked vac lines and coil boot-all appear OK.. now what happens is slight misfire at start after sitting overn...
June 20, 2011
2002 Jeep Grand Cherokee Limited 4.7L Misfire, MIL Lamp on VIN: 1J8GW58N52
P0304: Cylinder 4 Misfire Detected. ... with this one. I have a 4.7 grand cher. that keeps on kicking misfire codes. Plugs have been done, motorvac, checked all coils and all injectors, smoked engine, verified fuel pressure. Using the Drb I can get all the cylinders to register a misfire. You ca...
June 28, 2011
2002 Jeep Grand Cherokee Limited 4.7L Misfire, MIL Lamp on VIN: 1J8GW58N52
P0304: Cylinder 4 Misfire Detected. ... with this one. I have a 4.7 grand cher. that keeps on kicking misfire codes. Plugs have been done, motorvac, checked all coils and all injectors, smoked engine, verified fuel pressure. Using the Drb I can get all the cylinders to register a misfire. You ca...
June 29, 2011
1995 Subaru Legacy 2.2L Poor Idle Quality, Acceleration VIN: 4S3BD6355S
P0304: Misfire cyl 4. OK have a doosy here, this subaru came in barely drivable. The idle is poor and stalls sometimes. But the most obvious symptom is the acceleration, it bogs right down like the cat is clogged Just like you stuck a banana in tailpipe. I dropped the exhaust at ma...
June 10, 2011
2004 Infiniti I35 3.5L No Start, MIL Lamp on VIN: 1I14567891
P0304: Cylinder 4 Misfire Detected. I have this infinity came in for intermittent no start and check engine light. During testing I found the engine to not have spark right away I did read about the fuel pump issues and have good fuel pressure although I could smell it and tried to add fuel duri...
June 15, 2011
2004 Infiniti I35 3.5L No Start, MIL Lamp on VIN: 1I14567891
P0304: Cylinder 4 Misfire Detected. I have this infinity came in for intermittent no start and check engine light. During testing I found the engine to not have spark right away I did read about the fuel pump issues and have good fuel pressure although I could smell it and tried to add fuel duri...
June 16, 2011
2000 Mercedes-Benz C230 Kompressor 2.3L Excessive Emissions, MIL Lamp on, VIN: WDBHA24G6Y
P0304: cyl 4 history. original complaint was eng lite-was only air inj at time,year ago..since then, has had misfire along with air code. replaced plugs, air check valve, checked vac lines and coil boot-all appear OK.. now what happens is slight misfire at start after sitting overn...
June 20, 2011
2002 Jeep Grand Cherokee Limited 4.7L Misfire, MIL Lamp on VIN: 1J8GW58N52
P0304: Cylinder 4 Misfire Detected. ... with this one. I have a 4.7 grand cher. that keeps on kicking misfire codes. Plugs have been done, motorvac, checked all coils and all injectors, smoked engine, verified fuel pressure. Using the Drb I can get all the cylinders to register a misfire. You ca...
June 28, 2011
2002 Jeep Grand Cherokee Limited 4.7L Misfire, MIL Lamp on VIN: 1J8GW58N52
P0304: Cylinder 4 Misfire Detected. ... with this one. I have a 4.7 grand cher. that keeps on kicking misfire codes. Plugs have been done, motorvac, checked all coils and all injectors, smoked engine, verified fuel pressure. Using the Drb I can get all the cylinders to register a misfire. You ca...
June 29, 2011