Possible Causes
| Possible Causes |
|---|
| ENGINE OIL LEVEL LOW |
| ENGINE OIL DIRTY OR CONTAMINATED |
| INCORRECT ENGINE OIL VISCOSITY OR OIL FILTER |
| INSUFFICIENT OIL PRESSURE OR OIL DRAIN BACK |
| VVT INTAKE SOLENOID 1/2 DRIVER CIRCUIT OPEN OR HIGH RESISTANCE |
| VVT INTAKE SOLENOID 1/2 GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| VARIABLE OIL PUMP SOLENOID GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| DUAL STAGE OIL PUMP |
| VVT INTAKE SOLENOID 1/2 |
| CAMSHAFT 1/2 PHASER |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .