Diagnostic Aids

The following conditions may cause this DTC to set:

• Excessive air gap between the CKP sensor and the reluctor wheel.
• Crankshaft reluctor wheel damage or improper installation.
• The CKP sensor coming in contact with the reluctor wheel.
• Foreign material passing between the CKP sensor and the reluctor wheel.
• Insufficient fuel.

Excess crankshaft end play causes the CKP sensor reluctor wheel to move out of alignment with the CKP sensor. This could result in any one of the following:

• A no-start.
• A start and stall.
• Erratic performance.

For an intermittent, see INTERMITTENT CONDITIONS  under SELF-DIAGNOSTIC SYSTEM.