![]() Performs a manufacturer's specific pinpoint tests for the P0022 code and repairs as directedĬommon mistakes when diagnosing the P0022 codeįollow these simple guidelines to prevent mistakes: Scans and documents the codes and views freeze frame data to see when the code was set ![]() Makes sure that the engine oil is clean and full, and that the viscosity is correct Visually checks the electrical connections to the camshaft sensorĬhecks the oil control solenoid valve and crankshaft sensor for loose connections or damaged wiring How does a mechanic diagnose the P0022 code? Note: Drive complaints may change depending on the camshaft timing. The engine will emit excessive fumes and may fail emissions testing. The fuel mileage will decrease and the engine may blow black smoke out of the tailpipe. The engine starts hard or hesitates on acceleration. The ECM will turn on the Check Engine Light. There are oil flow problems to the VCT piston and phaser. The camshaft phaser is damaged and gets stuck in the retarded position. The Variable Camshaft Timing (VCT) oil control valve (OCV) gets stuck in the open position. This over-retarded timing condition could be during the advancing or retarding phase of the camshaft timing. P0022 is the OBD-II generic code which indicates that the Engine Control Module (ECM) has determined the intake camshaft timing for bank 2 is more retarded than what the ECM has commanded it be. Camshaft Position A - Timing Over-Retarded (Bank 2) What the P0022 code means
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