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Home >> Chevrolet >> 1996 >> Tahoe 4D Utility, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Gasoline >> Diagnostic Trouble Code Tests >> DTC P0338 - Crankshaft Position Sensor Circuit High Frequency >> Circuit Description

Circuit Description

Crankshaft Position (CKP) sensor sends a reference signal to VCM indicating crankshaft position and RPM. Information is used to determine when to pulse ignition coil, fuel injectors and control ignition timing.