Circuit/System Testing
- Inspect the engine or review the service history of the vehicle for any recent repairs involving the timing chain, camshaft, or crankshaft.
- If recent repairs were made, refer to Timing Chain and Sprockets Replacement and inspect the timing chain and sprockets for proper alignment.
- Inspect the CMP actuator. Refer to CAMSHAFT POSITION ACTUATOR CLEANING AND INSPECTION , and .
- Inspect the engine timing components. Refer to TIMING CHAIN AND SPROCKETS CLEANING AND INSPECTION .