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P Codes (powertrain)
P0400 - P0499
MY SEVICE LIGHT IS ON AND THE CODES THAT IT ...
2002 Ford F-150
My sevice light is on, AND THE CODES THAT IT BRINGS UP ARE P0171, PO174, PO402, IAM NOT FOR SURE WHAT THESE ARE
Wednesday, November 14th, 2012 AT 11:56 PM
You have a lean fuel system and also an EGR problem. Go to this link for references:
Thursday, November 15th, 2012 AT 12:03 AM
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