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P0313 Diagnostic Trouble Code Discussion for July 2007

Misfire Detected, Lean Air Fuel Condition Present

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Trouble Ticket Help Requests for DTC P0313
Help Request Posted
2002 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTRX172X2
P0313: misfire first 1000 revolution. Hey guys, this one's got me stumped. Came in with mil light on for p0302 and p0306, drove great! No mis felt while driving or at idle. Though it might be clogged egr ports because no light came on after unpluging vacuum line, so removed upper intake and all po...
July 13, 2007