Diagnostic Aids
WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions may cause this DTC to set:
- Camshaft reluctor wheel damage.
- Sensor contact with the reluctor wheel.
- Foreign material passing between the sensor and the reluctor wheel.
- Excessive camshaft end-play.
- Wiring routed too close to secondary ignition components.
If you find any damage to the reluctor wheel or to the camshaft, see appropriate article in ENGINES.
If the condition is intermittent, see INTERMITTENT CONDITIONS under SELF-DIAGNOSTIC SYSTEM.