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P0012 Diagnostic Trouble Code Discussion for April 2011

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

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Trouble Ticket Help Requests for DTC P0012
Help Request Posted
2006 Toyota Corolla S 1.8L MIL Lamp on
P0012: Camshaft Position 'A' Over-Retarded (Bank 1). ... light coming on,with code p0012,have changed eng oil and replaced vvt contol valve,engine runs fine,but code will reapear at times,i am presumeing that this code relates to the cam timing mechanism,cam angle sensor was replaced at another repaier,at a loss...
April 15, 2011
2007 Ford F-150 XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPW12V67
P0012: Intake Camshaft Position Timing Over Retarded (Bank 1). vehicle came in with an intermittent rough idle. After checking DTC's, found both cams not returning to retard position (poo12 and p0022) as well as a cam position error code. Checking the solenoids with a lab scope, can watch duty cycle of solenoids when adva...
April 18, 2011