Circuit/System Testing
- Ignition OFF, inspect the crankshaft balancer bolt for the proper torque. Refer to Fastener Tightening Specifications .
- Inspect the CMP actuator for binding or being stuck.
- Inspect the engine for the following conditions:
- An incorrectly installed camshaft sensor
- An incorrectly installed crankshaft sensor
- An incorrectly installed camshaft actuator
- Incorrect valve timing
- A loose camshaft reluctor wheel
- A loose crankshaft reluctor wheel
- Excessive crankshaft end play
IMPORTANT:
Incorrect engine oil viscosity, aftermarket engine oil additives, or engine oil that is overdue for changing, can greatly affect the performance of the camshaft actuator.