P0308 Diagnostic Trouble Code Discussion for July 2026
Cylinder 8 Misfire Detected
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| Help Request | Posted | |
| 2016 Chevrolet Silverado 2500 HD High Country 6.6L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GC1KXE81G P0308: Cylinder 8 misfire detected. This LML Duramax is smoking bad out of tailpipe and misfiring. It has the listed codes for cylinder 8. I replaced the cylinder 8 injector and fuel feed tube and fuel filters but it did not help. On my scanner the cylinder 8 balance rate is 17. All other cy... |
July 31, 2026 |
