Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| INSUFFICIENT OIL PRESSURE ACTING ON THE LIFTER LOCKING PINS |
| OIL PASSAGES RESTRICTED |
| CYLINDER DEACTIVATION PRESSURE RELIEF VALVE STUCK OPEN |
| CYLINDER DEACTIVATION BOOST PUMP |
| LIFTERS |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .