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P0021 Diagnostic Trouble Code Discussion for November 2010

Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)

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Trouble Ticket Help Requests for DTC P0021
Help Request Posted
2004 Ford F-150 Lariat 5.4L MIL Lamp on VIN: 1FTPW14584
P0021: Variable Cam Timing Over Advanced (Bank 2). ... with codes p0021 and p0345 coming up intermittently. truck runs fine but customer has stated that when his wife was driving it, it lost power, no response to throttle and ran rough. I have not been able to duplicate this concern or have the codes come back...
November 10, 2010