Circuit/System Testing

With the ignition OFF, 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.
Remove the engine front cover, refer to Engine Front Cover Replacement and inspect the timing chain, tensioner and sprockets for wear or damage. Refer to Timing Chain and Sprockets Cleaning and Inspection .
- If any parts are worn or damaged, replace as necessary.
- If everything else tests normal, replace the CMP actuator.