Possible Causes
| Possible Causes |
|---|
| INADEQUATE OIL PRESSURE TO ONE OR MORE ROCKER ARM |
| VVL SOLENOID MECHANICAL FAILURE |
| ROCKER ARM IMPROPERLY INSTALLED / INCORRECT CLEARANCE BETWEEN A ROCKER ARM AND THE HIGH LIFT (CENTER) CAMSHAFT LOBE |
| WORN LOW LIFT CAM LOBE |
| ROCKER ARM LOCK PIN STICKING / BINDING |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .