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P0304 Diagnostic Trouble Code Discussion for July 2006

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2002 Ford Ranger Edge 3.0L Hesitation, Misfire, MIL Lamp on VIN: 1FTYR10U72
P0304: cyl 4 miss fire. truck still has missfire, did read about catalytic problems, but this truck will run ok at times.
July 06, 2006
2002 Honda Accord EX 2.3L Misfire, MIL Lamp on VIN: 1HGCG66812
P0304: Cylinder 4 Misfire Detected. Hi all, We have 2002 Honda Accord with check engine light on & multiple missfires. Replaced spark plugs/cap/rotor. Car still misses. Checked valve adjustment all ok. Checked Egr valve ok. Checked fuel pressure ok. When crimped return line runs a lot better...
July 06, 2006
1999 BMW 328i 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WDAAMS332X
P0304: misfire cyl 4. vehicle came in with misfire codes for cylinders number 2 and 6. compression is 175 in all cylinders. plugs looked very old so changed out plugs and changed number two and six coils. runs good at any speed above 1500rpm but at idle it misses and backfires on o...
July 07, 2006
1999 Volkswagen Passat GLS 1.8L Misfire, MIL Lamp on, #4 CYL MISFIRE VIN: WVWMA63BXX
P0304: 4 cyl misfire. Never seen the car or customer before. He complained car was running rough. Code P304 present and MIL light flashing. Thought at first the 4th coil was dead, but when I switched it with the 3rd, it fired fine and #3 wouldn't work in the #4 spot. Verified #4 co...
July 10, 2006
2002 Honda Accord EX 2.3L Misfire, MIL Lamp on VIN: 1HGCG66812
P0304: Cylinder 4 Misfire Detected. Hi all, We have 2002 Honda Accord with check engine light on & multiple missfires. Replaced spark plugs/cap/rotor. Car still misses. Checked valve adjustment all ok. Checked Egr valve ok. Checked fuel pressure ok. When crimped return line runs a lot better...
July 21, 2006
2000 Volkswagen Jetta GLS 1.8L Poor Idle Quality, Surge, Cuts out, Misfire VIN: 3VWPD69M01
P0304: cylinder 4 intermittant missfire. car came in with poor running complaint. idled perfectly, but was slow to start. it usually took three or four tries. it always popped in exhaust the last try before starting. accelerated fair but dies when boost comes on. surged at constant speed. will free r...
July 23, 2006
2000 Saturn LS2 3.0L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on, Lack of Power VIN: 1G8JW52R9Y
P0304: Cylinder 4 Misfire Detected. Hello all, I have a Saturn here I'm having some difficulty diagnosing. The customer stated that after replacing the battery, the vehicle bucks and runs rough. The vehicle does run extremely rough, has a noticeable misfire (engine light flashes), stalls occassi...
July 26, 2006
2000 Saturn LS2 3.0L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on, Lack of Power VIN: 1G8JW52R9Y
P0304: Cylinder 4 Misfire Detected. Hello all, I have a Saturn here I'm having some difficulty diagnosing. The customer stated that after replacing the battery, the vehicle bucks and runs rough. The vehicle does run extremely rough, has a noticeable misfire (engine light flashes), stalls occassi...
July 27, 2006
2002 Ford Ranger Edge 3.0L Hesitation, Misfire, MIL Lamp on VIN: 1FTYR10U72
P0304: cyl 4 miss fire. truck still has missfire, did read about catalytic problems, but this truck will run ok at times.
July 06, 2006
2002 Honda Accord EX 2.3L Misfire, MIL Lamp on VIN: 1HGCG66812
P0304: Cylinder 4 Misfire Detected. Hi all, We have 2002 Honda Accord with check engine light on & multiple missfires. Replaced spark plugs/cap/rotor. Car still misses. Checked valve adjustment all ok. Checked Egr valve ok. Checked fuel pressure ok. When crimped return line runs a lot better...
July 06, 2006
1999 BMW 328i 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WDAAMS332X
P0304: misfire cyl 4. vehicle came in with misfire codes for cylinders number 2 and 6. compression is 175 in all cylinders. plugs looked very old so changed out plugs and changed number two and six coils. runs good at any speed above 1500rpm but at idle it misses and backfires on o...
July 07, 2006
1999 Volkswagen Passat GLS 1.8L Misfire, MIL Lamp on, #4 CYL MISFIRE VIN: WVWMA63BXX
P0304: 4 cyl misfire. Never seen the car or customer before. He complained car was running rough. Code P304 present and MIL light flashing. Thought at first the 4th coil was dead, but when I switched it with the 3rd, it fired fine and #3 wouldn't work in the #4 spot. Verified #4 co...
July 10, 2006
2002 Honda Accord EX 2.3L Misfire, MIL Lamp on VIN: 1HGCG66812
P0304: Cylinder 4 Misfire Detected. Hi all, We have 2002 Honda Accord with check engine light on & multiple missfires. Replaced spark plugs/cap/rotor. Car still misses. Checked valve adjustment all ok. Checked Egr valve ok. Checked fuel pressure ok. When crimped return line runs a lot better...
July 21, 2006
2000 Volkswagen Jetta GLS 1.8L Poor Idle Quality, Surge, Cuts out, Misfire VIN: 3VWPD69M01
P0304: cylinder 4 intermittant missfire. car came in with poor running complaint. idled perfectly, but was slow to start. it usually took three or four tries. it always popped in exhaust the last try before starting. accelerated fair but dies when boost comes on. surged at constant speed. will free r...
July 23, 2006
2000 Saturn LS2 3.0L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on, Lack of Power VIN: 1G8JW52R9Y
P0304: Cylinder 4 Misfire Detected. Hello all, I have a Saturn here I'm having some difficulty diagnosing. The customer stated that after replacing the battery, the vehicle bucks and runs rough. The vehicle does run extremely rough, has a noticeable misfire (engine light flashes), stalls occassi...
July 26, 2006
2000 Saturn LS2 3.0L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on, Lack of Power VIN: 1G8JW52R9Y
P0304: Cylinder 4 Misfire Detected. Hello all, I have a Saturn here I'm having some difficulty diagnosing. The customer stated that after replacing the battery, the vehicle bucks and runs rough. The vehicle does run extremely rough, has a noticeable misfire (engine light flashes), stalls occassi...
July 27, 2006