P0304 Diagnostic Trouble Code Discussion for January 2016
Cylinder 4 Misfire Detected
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| Help Request | Posted | |
| 2005 Mazda 3 S 2.3L Poor Idle Quality, Stall, Very Lean VIN: JM1BK32355 P0304: Cylinder 4 Misfire Detected. Hello Friends, Car has unstable idle, will occasionally stall. Seems to run well at cruise, suspected vacuum leak early in diagnosis. When not in Open Loop Fault idle fuel trim in excess of 25% STFT & 20% LTFT, at cruise 0-5% STFT & 20.4% LTFT. Front... |
January 09, 2016 | |
| 2005 Mazda 3 S 2.3L Poor Idle Quality, Stall, Very Lean VIN: JM1BK32355 P0304: Cylinder 4 Misfire Detected. Hello Friends, Car has unstable idle, will occasionally stall. Seems to run well at cruise, suspected vacuum leak early in diagnosis. When not in Open Loop Fault idle fuel trim in excess of 25% STFT & 20% LTFT, at cruise 0-5% STFT & 20.4% LTFT. Front... |
January 11, 2016 | |
| 2009 BMW 335i xDrive 3.0L Misfire, MIL Lamp on VIN: WBAWC73599 P0304: 29D0-Misfire 4 Cylinder. Customer come in for valve cover gasket and oil filter adapter gasket replacement. It all goes well but after idling for about a minute, the engine misfire. The misfire will go away if I turn off the engine and restart. No misfire at all if engine warm up. Rec... |
January 30, 2016 |
