Possible Causes
| Possible Causes |
|---|
| 5-VOLT SUPPLY CIRCUIT OPEN |
| 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| TPS 2 SIGNAL CIRCUIT SHORTED TO GROUND |
| TPS 2 SIGNAL CIRCUIT SHORTED TO THE TPS RETURN CIRCUIT |
| THROTTLE POSITION SENSOR/THROTTLE BODY |
| THROTTLE PLATE JAMMED AGAINST THE MAXIMUM STOP |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .