Possible Causes
- Good Trip Equal To Zero
- 5-Volt Supply Circuit Shorted To Ground
- 5-Volt Supply Circuit Open
- MAP Sensor
- MAP Signal Circuit Shorted To Ground
- MAP Signal Circuit Shorted To Sensor Ground Circuit
- 5-Volt Supply Circuit Open
- MAP Sensor Vacuum Port
- MAP Sensor Failure
- PCM 5-Volt Supply Circuit
- PCM MAP Signal Circuit