P0307 Diagnostic Trouble Code Discussion for September 2022
Cylinder 7 Misfire Detected
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| Help Request | Posted | |
| 2008 GMC Sierra 1500 SLE 5.3L Poor Idle Quality, miss VIN: 3GTEK13J08 Help, This 5.3 came in amf lifter failed, replaced all the lifters, and I have a miss at idle only cyl 7 and about half the time one cyl 1. I drove 200 miles of highway and runs great, full power, oil psi runs right at 40 psi at 2000 and 25 to 30 at idle. ... |
September 17, 2022 |
