Possible Causes
| Possible Causes |
|---|
| EXHAUST LEAK |
| O2 SENSOR 2/1 SIGNAL CIRCUIT |
| O2 SENSOR 2/1 RETURN CIRCUIT |
| OXYGEN (O2) SENSOR 2/1 |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to: 3.6L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .