Possible Causes
| Possible Causes |
|---|
| EXHAUST LEAK |
| ENGINE MECHANICAL CONDITION |
| AGING OR FOULED O2 SENSOR |
| CATALYTIC CONVERTER |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
| Possible Causes |
|---|
| EXHAUST LEAK |
| ENGINE MECHANICAL CONDITION |
| AGING OR FOULED O2 SENSOR |
| CATALYTIC CONVERTER |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .