Possible Causes
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| INCORRECT ENGINE OIL VISCOSITY OR OIL FILTER |
| ENGINE OIL AERATED OR CONTAMINATED |
| INSUFFICIENT OIL PRESSURE DUE TO A MECHANICAL FAILURE IN THE OILING SYSTEM |
| CAMSHAFT 1/1 OIL CONTROL VALVE FAULTY |
| CAMSHAFT 1/1 PHASER/TARGET WHEEL |
| TIMING CHAIN/SPROCKET ALIGNMENT |
| BROKEN OR FAULTY TIMING CHAIN TENSIONER OR GUIDES |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .