Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| INTAKE SYSTEM LEAK OR RESTRICTION |
| EXHAUST SYSTEM LEAK OR RESTRICTION |
| POOR EGR SYSTEM PERFORMANCE |
| POOR FUEL SYSTEM PERFORMANCE |
| OXYGEN SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .