Possible Causes
| Possible Causes |
|---|
| LOW ENGINE OIL LEVEL |
| ENGINE OIL AERATED OR CONTAMINATED |
| INTAKE MANIFOLD LEAK AT A SPECIFIC CYLINDER ON BANK 2 |
| EXHAUST MANIFOLD TO CYLINDER HEAD LEAK AT A SPECIFIC CYLINDER ON BANK 2 |
| CROSSED FUEL INJECTOR CONNECTORS |
| FUEL INJECTOR ISSUES AT A SPECIFIC CYLINDER ON BANK 2 |
| IGNITION SYSTEM ISSUES AT A SPECIFIC CYLINDER ON BANK 2 |
| CYLINDER COMPRESSION IMBALANCE |
| CARBON BUILD UP |
| VARIABLE VALVE TIMING ISSUES |
| VALVE TRAIN ISSUES |
| UPSTREAM O2 SENSOR |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .