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P0305 Diagnostic Trouble Code Discussion for January 2023

Cylinder 5 Misfire Detected


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Trouble Ticket Help Requests for DTC P0305
Help Request Posted
2007 GMC Canyon SLT 3.7L Misfire VIN: 1GTDT13E87
P0305: misfire 5. Truck came about a month ago, check engine light on and flashing, running rough. Replaced coils and plugs, oil change due to excessive fuel in oil. Vehcile ran good till 2 days ago. Same symptons except cylinder 5 missing badly. Replaced coil and plug just...
January 26, 2023