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P0304 Diagnostic Trouble Code Discussion for July 2007

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
1999 Land Rover Range Rover SE 4.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: SALPV1246X
Thanks to all of you who try to help me tackle this one. Cold start the vehicle idles rough and misfires for a couple minutes, then idle smooths out and misfire disappears. Cold, or warm, open the throttle and the vehicle hesitates. Not just momentarily but a ...
July 05, 2007
2001 Audi S4 Avant 2.7L Surge, MIL Lamp on VIN: WAURD68D71
P0304: CYL4 misfire. Vehicle came in with a turbo boost problem.Seemed the turbo was surging upon boost first 15lbs. then 10lbs. erratically and continous always.We did a quick test on the computer memory.Recorded the codes then cleared them and drove the car and no codes have ret...
July 23, 2007
2000 BMW Z3 M Roadster 3.2L Misfire, MIL Lamp on VIN: WBSCM9342Y
P0304: 4 Misfire. Please help me! This BMW is intermittantly dropping what seems to be a random cylinder. I can never catch it in the act with test equipment hooked up, but experienced it once. It SEEMS like a injector or two dropping out and is most pronounced at idle. Cars wi...
July 26, 2007
2001 Nissan Altima SE 2.4L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 11N4DL01D9
P0304: Cylinder 4 Misfire Detected. car has poor idle quality and is more evident under a load (in drive and foot on brake). upon initial inspection the valve cover gasket was leaking onto the plug wires so i replaced it as well as the wires plugs cap and rotor. i was going to swap injectors to ...
July 26, 2007
1996 Chrysler Sebring LXi 2.5L Misfire, MIL Lamp on VIN: 4C3AU52N8T
P0304: Cylinder 4 Misfire Detected. The codes set when on hwy speeds only 60 to 70 mph not all the time code will set and never has come on in town driving. so with a little of your help i hope to find a solid way of confirming what is the problem.I did find a artical on egr sticking but cannot ...
July 30, 2007
1999 Land Rover Range Rover SE 4.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: SALPV1246X
Thanks to all of you who try to help me tackle this one. Cold start the vehicle idles rough and misfires for a couple minutes, then idle smooths out and misfire disappears. Cold, or warm, open the throttle and the vehicle hesitates. Not just momentarily but a ...
July 05, 2007
2001 Audi S4 Avant 2.7L Surge, MIL Lamp on VIN: WAURD68D71
P0304: CYL4 misfire. Vehicle came in with a turbo boost problem.Seemed the turbo was surging upon boost first 15lbs. then 10lbs. erratically and continous always.We did a quick test on the computer memory.Recorded the codes then cleared them and drove the car and no codes have ret...
July 23, 2007
2000 BMW Z3 M Roadster 3.2L Misfire, MIL Lamp on VIN: WBSCM9342Y
P0304: 4 Misfire. Please help me! This BMW is intermittantly dropping what seems to be a random cylinder. I can never catch it in the act with test equipment hooked up, but experienced it once. It SEEMS like a injector or two dropping out and is most pronounced at idle. Cars wi...
July 26, 2007
2001 Nissan Altima SE 2.4L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 11N4DL01D9
P0304: Cylinder 4 Misfire Detected. car has poor idle quality and is more evident under a load (in drive and foot on brake). upon initial inspection the valve cover gasket was leaking onto the plug wires so i replaced it as well as the wires plugs cap and rotor. i was going to swap injectors to ...
July 26, 2007
1996 Chrysler Sebring LXi 2.5L Misfire, MIL Lamp on VIN: 4C3AU52N8T
P0304: Cylinder 4 Misfire Detected. The codes set when on hwy speeds only 60 to 70 mph not all the time code will set and never has come on in town driving. so with a little of your help i hope to find a solid way of confirming what is the problem.I did find a artical on egr sticking but cannot ...
July 30, 2007