What are the causes of P0012 Camshaft Position A Timing Over-Retarded?
1 Answers
p0012 camshaft position a timing over-retarded causes are as follows: 1. Low gasoline octane rating or engine misfire: Causes engine detonation leading to camshaft delay, altering position sensor signal data. 2. OCV valve malfunction: Possibly stuck OCV valve causing failure in the engine's intake valve oil control valve. 3. Oil control valve failure: Oil pressure control valve OCV stuck. 4. Abnormal CVVT control circuit current: CVVT actuator gear mechanically jammed. 5. Oil pump wear: Oil pump pressure regulator valve stuck or system clogged.