GM P0011, GM P0014 Diagnose and fix P0011 or P0014 P0011 is: Intake Camshaft Position System Performance and P0014 is: Exhaust Camshaft Position System Performance. Both of these codes relate to the variable valve timing (VVT) system on the engine. VVT allows the computer to advance or retard camshaft timing to achieve optimal engine performance and optimal emissions. The system operates the advance/retard mechanism by filling or emptying oil chambers in the VVT phaser located at the front of the intake and exhaust camshafts. The VVT solenoid pulses motor oil … Read More
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