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P0304 Diagnostic Trouble Code Discussion for October 2006

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2000 Chevrolet Impala 3.4L Cuts out, Misfire, MIL Lamp on VIN: 2G1WF52E6Y
P0304: cyl 4 misfire. this is a real hair puller. vehicle came in with complaint of no power and no overdrive. we found that the od was working ok, but at the rpm mentioned. it would start to misfire. it had several codes, but the only ones we could reproduce on a regular basis wer...
October 06, 2006
2001 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WVWPD63B91
P0304: misfire cyl 4. this vehicle came to our shop from a used car lot. they sold it and the customer complained of a check engine light. so they replaced the 02 sensors and put a new maf sensor on it when that did not cure it it came to us. it will miss after it has set for 2 day...
October 09, 2006
2000 Chevrolet Impala 3.4L Cuts out, Misfire, MIL Lamp on VIN: 2G1WF52E6Y
P0304: cyl 4 misfire. this is a real hair puller. vehicle came in with complaint of no power and no overdrive. we found that the od was working ok, but at the rpm mentioned. it would start to misfire. it had several codes, but the only ones we could reproduce on a regular basis wer...
October 16, 2006
2000 Honda Accord EX 3.0L No Start, Poor Idle Quality, Misfire VIN: 1HGCG2250Y
P0304: Cylinder 4 Misfire Detected. this honda misses bad on start up after heat soak. Missing on cylinders 1,2,3, and 4. Found TSB about the fuel pressure regulator and ECM replacement due to different gas in colder weather, but I checked pressure when vehicle is acting up and there was pressur...
October 18, 2006
2003 Chrysler PT Cruiser GT 2.4L MIL Lamp on VIN: 3C4FY78G23
P0304: Cylinder 4 Misfire Detected. Hi,Car comes in with Mil ON with P0304 cylinder 4 misfire. Scan test only cylinder 4 misfire only at idle. I replace spark plug and wire set, still the same, because is fuel returnless system, possible dirt get trap at the end, flush fuel injector with chemica...
October 25, 2006
1997 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6852V
P0304: Cylinder 4 Misfire Detected. Scan produced the po303/304 and 341 codes. The wires were replace and the misfire codes have not reappeared. At idle there is no response to killing cyl's 1 and 4. #1 plug is loaded with black soot, have not pulled #4. #1 compression is about 200#. Po341 will ...
October 27, 2006
1997 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6852V
P0304: Cylinder 4 Misfire Detected. Scan produced the po303/304 and 341 codes. The wires were replace and the misfire codes have not reappeared. At idle there is no response to killing cyl's 1 and 4. #1 plug is loaded with black soot, have not pulled #4. #1 compression is about 200#. Po341 will ...
October 29, 2006
1999 Dodge Ram 1500 Van 5.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on, PINGS VIN: 1B7HF13Z4X
P0304: Cylinder 4 Misfire Detected. this dodge originally came in for code po300 misc. cylinder misfire. test drive vehicle and unable to duplicate. find all ignition parts to be original. replace ignition parts and perform motor vac service. test drive truck, find no problems. return to custome...
October 31, 2006
2000 Chevrolet Impala 3.4L Cuts out, Misfire, MIL Lamp on VIN: 2G1WF52E6Y
P0304: cyl 4 misfire. this is a real hair puller. vehicle came in with complaint of no power and no overdrive. we found that the od was working ok, but at the rpm mentioned. it would start to misfire. it had several codes, but the only ones we could reproduce on a regular basis wer...
October 06, 2006
2001 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WVWPD63B91
P0304: misfire cyl 4. this vehicle came to our shop from a used car lot. they sold it and the customer complained of a check engine light. so they replaced the 02 sensors and put a new maf sensor on it when that did not cure it it came to us. it will miss after it has set for 2 day...
October 09, 2006
2000 Chevrolet Impala 3.4L Cuts out, Misfire, MIL Lamp on VIN: 2G1WF52E6Y
P0304: cyl 4 misfire. this is a real hair puller. vehicle came in with complaint of no power and no overdrive. we found that the od was working ok, but at the rpm mentioned. it would start to misfire. it had several codes, but the only ones we could reproduce on a regular basis wer...
October 16, 2006
2000 Honda Accord EX 3.0L No Start, Poor Idle Quality, Misfire VIN: 1HGCG2250Y
P0304: Cylinder 4 Misfire Detected. this honda misses bad on start up after heat soak. Missing on cylinders 1,2,3, and 4. Found TSB about the fuel pressure regulator and ECM replacement due to different gas in colder weather, but I checked pressure when vehicle is acting up and there was pressur...
October 18, 2006
2003 Chrysler PT Cruiser GT 2.4L MIL Lamp on VIN: 3C4FY78G23
P0304: Cylinder 4 Misfire Detected. Hi,Car comes in with Mil ON with P0304 cylinder 4 misfire. Scan test only cylinder 4 misfire only at idle. I replace spark plug and wire set, still the same, because is fuel returnless system, possible dirt get trap at the end, flush fuel injector with chemica...
October 25, 2006
1997 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6852V
P0304: Cylinder 4 Misfire Detected. Scan produced the po303/304 and 341 codes. The wires were replace and the misfire codes have not reappeared. At idle there is no response to killing cyl's 1 and 4. #1 plug is loaded with black soot, have not pulled #4. #1 compression is about 200#. Po341 will ...
October 27, 2006
1997 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6852V
P0304: Cylinder 4 Misfire Detected. Scan produced the po303/304 and 341 codes. The wires were replace and the misfire codes have not reappeared. At idle there is no response to killing cyl's 1 and 4. #1 plug is loaded with black soot, have not pulled #4. #1 compression is about 200#. Po341 will ...
October 29, 2006
1999 Dodge Ram 1500 Van 5.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on, PINGS VIN: 1B7HF13Z4X
P0304: Cylinder 4 Misfire Detected. this dodge originally came in for code po300 misc. cylinder misfire. test drive vehicle and unable to duplicate. find all ignition parts to be original. replace ignition parts and perform motor vac service. test drive truck, find no problems. return to custome...
October 31, 2006