Possible Causes
WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. 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 1/2 PHASER |
| CAMSHAFT 1/2 OIL CONTROL VALVE |
| ERRATIC CAM POSITION SENSOR SIGNAL |
| CAMSHAFT POSITION SENSOR TONE WHEEL/PULSE RING |
| ERRATIC CRANKSHAFT POSITION SENSOR SIGNAL |
| CRANKSHAFT POSITION SENSOR TONE WHEEL/PULSE RING |
| TIMING SPROCKET ALIGNMENT |
| CAMSHAFT POSITION SENSOR 1 |
| CRANKSHAFT POSITION SENSOR |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .