P0304 Diagnostic Trouble Code Discussion for March 2023
Cylinder 4 Misfire Detected
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| Help Request | Posted | |
| 2013 Mercedes-Benz ML350 3.5L Misfire, MIL Lamp on VIN: 4JGDA5HB3D P0304: 85. Engine misfire on cylinder#4 seen on misfire counter at hot idle after snapping throttle. Severe misfire cylinder #4 occurs on hot re-start after sitting a few minutes. Misfire goes away by increasing RPM to 1000 or higher. Does anyone have experience with... |
March 15, 2023 | |
| 2008 Honda Accord EX 3.5L Misfire VIN: 1HGCS228X8 P0304: Cylinder 4 misfire. Vehicle runs fine, no misfire. Smooth idle. Nocheck engine light. After 20 minutes of driving. Cylinder #4 starts missing out of nowhere. Bring back to shop. Scan, no codes but check engine light is on. Only know its #4 by monitoring misfire data. Reset co... |
March 28, 2023 |
