![]() The technician will scan and document the codes received and view the freeze frame data to see when the code was set. Makes sure the engine oil is full of clean correct viscosity oil. Visually checks the electrical connections to the camshaft sensor, oil control solenoid valve, and crankshaft sensor for loose connections, damaged wiring harness, or any other issues that may cause a problem. How does a mechanic diagnose the P0012 code? Note: Your drive problems will change depending on the camshaft timing positions when the camshaft stopped advancing. The engine will have a hard start condition due to the retarded timing position.įuel mileage may go down since the camshaft is not in a position to get the best possible fuel mileage.ĭepending on camshaft position the engine may stall, hesitate, and run rougher than normal. The ECM will turn on the Check Engine Light if the timing cannot be commanded to move. Oil flow problems to the VCT piston and phaser.The camshaft phaser is damaged and stuck in the retarded position. ![]()
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