Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| Engine Oil Level Low/Aerated Or Contaminated |
| Incorrect Engine Oil Filter |
| Insufficient Oil Pressure Due To A Mechanical Failure In The Oiling System |
| Engine Vacuum Leak Or Intake Restriction |
| Exhaust Restriction |
| Fuel System Issues (Poor Quality Or Fuel Pressure Issue) |
| Excessive Carbon Build-Up Or Valvetrain Issue |
| Crankshaft Position Sensor (Ckp) Or Tone Wheel Issues |
| Variable Valve Timing (VVT) System Issues |
| Variable Valve Lift (VVL) System Issues (If Equipped) |
| Internal Egr Valve Leak |
| Coolant Leaking Into A Cylinder |
| Faulty Fuel Injector |
| Faulty Ignition Coil Or Spark Plug |
| Engine Mechanical/Low Compression |
| Powertrain Control Module (Pcm) |
Always Perform The Pre-Diagnostic Troubleshooting Procedure Before Proceeding. Refer To PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .