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Cold Start (B) Camshaft Position Timing Over-Retarded

The Powertrain Control Module (PCM) monitors the Variable Camshaft Timing (VCT) position for an over-advanced camshaft timing during cold start up. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in a retarded position.

Camshaft timing incorrectly set
Continuous oil flow to the Variable Camshaft Timing (VCT) piston chamber
VCT solenoid valve stuck open
Camshaft advance mechanism binding (VCT unit)

Check engine light

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