Possible Causes
| Possible Causes |
|---|
| INADEQUATE OIL PRESSURE TO ONE OR MORE ROCKER ARM |
| VVL SOLENOID CONTROL O-RING DAMAGED OR MISSING |
| VVL SOLENOID STUCK OFF/CLOSED NOT ALLOWING OIL PRESSURE TO ONE OR MORE ROCKER ARM |
| CONTROL OIL PASSAGE PRESSURE RESTRICTED TO ONE OR MORE ROCKER ARM |
| ROCKER ARM LOCK PIN STUCK EXTENDED OR BROKEN |
| ROCKER ARM LASH ADJUSTER PLUGGED |
| LOW ENGINE OIL PRESSURE/OIL PUMP FAULTY |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .