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P0308 Diagnostic Trouble Code Discussion for May 2010

Cylinder 8 Misfire Detected

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Trouble Ticket Help Requests for DTC P0308
Help Request Posted
2003 Ford F-150 XL 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTRX18W13
P0308: testing and results. Truck misfires intermittently, neither engine temp nor run time seem to affect the condition. Normally occurs worst at around 1800 RPM's (45 MPH). I tried swapping the coilpacks between #8 & #5 condition remained the same. Then swapped the plugs #8 & #...
May 25, 2010