Possible Causes
| POSSIBLE CAUSES |
|---|
| ENGINE OIL LEVEL LOW |
| INCORRECT OR CONTAMINATED ENGINE OIL |
| INCORRECT ENGINE OIL FILTER |
| INSUFFICIENT OIL PRESSURE TO THE EXHAUST CAM PHASER DURING COLD START CONDITION |
| CAMSHAFT 2/2 OIL CONTROL VALVE STICKING |
| CAMSHAFT 2/2 PHASER |
| RESTRICTED INTAKE AIR SYSTEM |
| FUEL CONTAMINATION |
| ETC MOTOR/THROTTLE BODY |
| CAMSHAFT POSITION SENSOR WIRE HARNESS |
| CAMSHAFT POSITION SENSOR |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .