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Home >> Lexus >> 2003 >> GS 300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0011: Camshaft Position "A" - Timing Over Advanced Or System Performance (Bank 1) Or DTC P0012: Camshaft Position "A" - Timing Over Retarded (Bank 1) >> Circuit Description

Circuit Description

ECM controls Oil Control Valve (OCV) to make the intake valve timing properly, and oil pressure controlled with OCV is supplied to the VVT controller, and then VVT controller changes relative position between the camshaft and the crankshaft. Possible causes are:

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