P0305 Diagnostic Trouble Code Discussion for March 2026
Cylinder 5 Misfire Detected
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| Help Request | Posted | |
| 2019 Alfa Romeo Giulia Quadrifoglio 2.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: ZARFAMEV8K P0305: testing and results. after sitting for 6 hours or more on a cold start it has a misfire runs rough for approximately 30 seconds. then it clears up. we replaced spark plugs twice thinking it may be plugs. misfire changes from different cylinders this is codes in it last time we... |
March 27, 2026 |
