Join Now
International Automotive Technicians Network

P0304 Diagnostic Trouble Code Discussion for December 2007

Cylinder 4 Misfire Detected


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2003 Mitsubishi Outlander XLS 2.4L MIL Lamp on, spark knock,pinging VIN: JA4LX41G43
P0304: Cylinder 4 Misfire Detected. Has excessive spark knock under a load developing in the last week. Has number 4 misfire code.I put the number 4 "coil on plug"on the number 2 cyl. and installed another plug but code comes back even though you don't feel a miss under load.But of more ...
December 03, 2007
2001 Oldsmobile Alero GL 2.4L Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy VIN: 1G3NL52T71
P0304: Cylinder 4 Misfire Detected. ... replaced the engine in about 150 miles ago with another 2.4 from a 2000 Pontiac! It ran perfect until the other night when it rained very heavy and it started to miss very bad with white smoke coming from the exhaust! The trac off light came on and the ser...
December 03, 2007
2001 Oldsmobile Alero GL 2.4L Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy VIN: 1G3NL52T71
P0304: Cylinder 4 Misfire Detected. ... replaced the engine in about 150 miles ago with another 2.4 from a 2000 Pontiac! It ran perfect until the other night when it rained very heavy and it started to miss very bad with white smoke coming from the exhaust! The trac off light came on and the ser...
December 06, 2007
2001 Mercury Sable LS Premium 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1MEFM55S41
P0304: cylinder 4-5-6-misfire. hello-trying to figure out this sable-it runs rough-compression on all cylinders are at 155 or higher -check engine lite is flashing-we have installed wires and plugs-but my main question is do these intake manifolds or plenum assy have problems leaking to cre...
December 15, 2007
1999 Saturn SL2 1.9L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G8ZK5272X
P0304: Cylinder 4 Misfire Detected. ... gas pedal slightly stalls.once takes off car drives nice.at traffic light step on gas pedal cuts out,stalls again.replace plugs,wires,coils,ignition module and crack sensor i still have p1599 code coming up.i have no idea...
December 19, 2007
2003 Ford Focus ZX3 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3FAFP31343
P0304: cylinder 4 misfire. the car is missing at idle also when you acelerate it will miss some of the time. it seems to start missing when the rpm goes back down under a grand but it will not do this all of the time it also started a pending code p2195 which is the 02 sensor which is d...
December 23, 2007
2002 Nissan Xterra SE 3.3L Misfire, MIL Lamp on VIN: 5N1ED2BY32
P0304: Cylinder 4 Misfire Detected. with the snapon scaner all injector are working on and of except #4 i have good fuel pressure and good spark and compresion. oil level is good no fuel in it. on acceleration mil flash at idel it stay on only any help would be great happy holyday to all tahar
December 23, 2007
2003 Mitsubishi Outlander XLS 2.4L MIL Lamp on, spark knock,pinging VIN: JA4LX41G43
P0304: Cylinder 4 Misfire Detected. Has excessive spark knock under a load developing in the last week. Has number 4 misfire code.I put the number 4 "coil on plug"on the number 2 cyl. and installed another plug but code comes back even though you don't feel a miss under load.But of more ...
December 03, 2007
2001 Oldsmobile Alero GL 2.4L Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy VIN: 1G3NL52T71
P0304: Cylinder 4 Misfire Detected. ... replaced the engine in about 150 miles ago with another 2.4 from a 2000 Pontiac! It ran perfect until the other night when it rained very heavy and it started to miss very bad with white smoke coming from the exhaust! The trac off light came on and the ser...
December 03, 2007
2001 Oldsmobile Alero GL 2.4L Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy VIN: 1G3NL52T71
P0304: Cylinder 4 Misfire Detected. ... replaced the engine in about 150 miles ago with another 2.4 from a 2000 Pontiac! It ran perfect until the other night when it rained very heavy and it started to miss very bad with white smoke coming from the exhaust! The trac off light came on and the ser...
December 06, 2007
2001 Mercury Sable LS Premium 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1MEFM55S41
P0304: cylinder 4-5-6-misfire. hello-trying to figure out this sable-it runs rough-compression on all cylinders are at 155 or higher -check engine lite is flashing-we have installed wires and plugs-but my main question is do these intake manifolds or plenum assy have problems leaking to cre...
December 15, 2007
1999 Saturn SL2 1.9L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G8ZK5272X
P0304: Cylinder 4 Misfire Detected. ... gas pedal slightly stalls.once takes off car drives nice.at traffic light step on gas pedal cuts out,stalls again.replace plugs,wires,coils,ignition module and crack sensor i still have p1599 code coming up.i have no idea...
December 19, 2007
2003 Ford Focus ZX3 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3FAFP31343
P0304: cylinder 4 misfire. the car is missing at idle also when you acelerate it will miss some of the time. it seems to start missing when the rpm goes back down under a grand but it will not do this all of the time it also started a pending code p2195 which is the 02 sensor which is d...
December 23, 2007
2002 Nissan Xterra SE 3.3L Misfire, MIL Lamp on VIN: 5N1ED2BY32
P0304: Cylinder 4 Misfire Detected. with the snapon scaner all injector are working on and of except #4 i have good fuel pressure and good spark and compresion. oil level is good no fuel in it. on acceleration mil flash at idel it stay on only any help would be great happy holyday to all tahar
December 23, 2007