P0303 Diagnostic Trouble Code Discussion for March 2023
Cylinder 3 Misfire Detected
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| Help Request | Posted | |
| 2009 Pontiac G3 1.6L Misfire VIN: KL2TD66E59 P0303: Misfire cylinder 3. We have gone round and round on this ecotec. Has a new coil pack and the scope current ramp looks good on all four cylinders. Has new injectors and the scope pattern looks good on all four. Has new plugs and we replaced them with again with NGK this time b... |
March 03, 2023 |
