Possible Causes
WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
| POSSIBLE CAUSES |
|---|
| EXHAUST SYSTEM LEAK |
| ENGINE MECHANICAL CONDITION |
| AGING OR CONTAMINATED O2 SENSOR |
| O2 SENSOR WIRING AND CONNECTORS |
| CATALYTIC CONVERTER |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .