P3040 Diagnostic Trouble Code Discussion for February 2024
Combustion Misfire Cylinder 4
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| Help Request | Posted | |
| 2012 Mercedes-Benz C250 1.8L Misfire VIN: WDDGF4HB9C P3040: Combustion Misfire Cylinder 4. Vehicle came in with misfire codes. Misfires will noticeably happen intermittently on all cylinders. We replaced spark plugs and ignition coils, added fuel injector cleaner fuel additive, we checked compression, we checked fuel pressure and ensured fuel qu... |
February 12, 2024 |
