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P0012 Diagnostic Trouble Code Discussion for December 2010

Camshaft Position 'A' Over-Retarded (Bank 1)

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Trouble Ticket Help Requests for DTC P0012
Help Request Posted
2005 Ford F-150 XLT 5.4L Misfire VIN: 1FTPW125X5
P0012: Intake Camshaft Position Timing Over Retarded (Bank 1). ... help. We received this F-150 a few weeks ago and it had severe misfires. Testing proved to be an internal problem effecting Cyl 4. Pulled valve cover and found broken valve spring on Cyl 4 and bent valve. Pulled head and had machine shop replace bent valve...
December 21, 2010