Circuit/System Testing

Ignition OFF, inspect the CKP sensor for looseness and correct installation.
- If the sensor is loose, inspect the sensor and the O-ring for damage, replace as necessary.
Inspect the engine for the following conditions:
- Engine oil for debris
- Crankshaft reluctor wheel for damage
- Camshaft end play for excess movement-Refer to Camshaft and Bearings Cleaning and Inspection .
- The timing chain, tensioner, and sprockets for wear or damage
- If debris is found in the engine oil, inspect the internal engine components to determine the cause. Repair or replace any worn or damage components. Refer to Camshaft Timing Chain and Sprocket Cleaning and Inspection and Camshaft and Bearings Cleaning and Inspection .