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P0308 Diagnostic Trouble Code Discussion for February 2009

Cylinder 8 Misfire Detected

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Trouble Ticket Help Requests for DTC P0308
Help Request Posted
2004 Ford F-150 STX 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTRX12W64
We got 2004 f-150 with 4.6l engine came in with bad miss fire and MIL on.check the code memory has p171,p300,p354 and p304,p305,p307.Check vacum leak not detected.check exhust system no restriction.fuel pressure 41 psi at idle and 41-42 at high rpm.BAnk to o2 ...
February 11, 2009