P0304 Diagnostic Trouble Code Discussion for July 2016
Cylinder 4 Misfire Detected
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| Help Request | Posted | |
| 2003 Jaguar XJ8 4.0L Misfire, MIL Lamp on VIN: SAJDA14C03 P0304: . THE CAR CAME IN RUNNING ROUGTH I [...] ALL SPARK PLLUGS AND #4 COIL it ran fine for 30 miles then the same synmptoms i cleared the code and its back to normal could i have a bad coil driver in the pcm or am i looking at the wrongt cyl??? my data says #4 is sec... |
July 10, 2016 | |
| 2000 Honda Odyssey EX 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2HKRL186XY P0304: Cylinder 4 Misfire Detected. Where do I start? This car has what appears to be a roaming misfire at idle (feels like just one cylinder) that sets codes in every cylinder. going down the road it runs OK (don't feel a miss) but it pings real bad with even average load. Compression is 150 in... |
July 11, 2016 | |
| 1999 Chevrolet Blazer 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13W8X P0304: Cylinder number 4 misfire. Cylinder number 4 misfire only at idle. Performed cylinder leakdown and found exhaust valve not seating. Removed both rocker arms and cylinder seals with no leakage. Cylinder is at TDC, swapped rocker arm, pushrod, and lifter from other cylinder and same resul... |
July 23, 2016 |
