Possible Causes
- Wiring Harness
- 5-Volt Supply Circuit Open Or Shorted To Ground
- Tone Wheel/Pulse Ring
- Camshaft Position Sensor Signal Circuit
- Crankshaft Position Sensor
- CKP Sensor Signal Circuit Open Or Shorted To Ground
- CKP Sensor Signal Circuit Shorted To Battery Voltage
- CKP Sensor Signal Circuit Shorted To 5 Volts
- Intermittent Condition
- PCM