Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| Engine Vacuum Leak |
| Excessive Carbon Build-Up In Cylinder Head Or Combustion Chamber |
| Faulty Fuel Injector |
| Poor Fuel Quality Or High Ethanol Level |
| Crankshaft Position Sensor (Ckp) Or Tone Wheel Issues |
| Faulty Ignition Coil Or Spark Plug |
| Variable Valve Lift (VVL) System Issues (If Equipped) |
| Coolant Leaking Into A Cylinder |
| Faulty Cylinder Head Gasket |
| Engine Mechanical/Low Compression |
| Worn Camshaft Lobes, Springs Or Rocker Arms |
| Powertrain Control Module (Pcm) |
Always Perform The Pre-Diagnostic Troubleshooting Procedure Before Proceeding. Refer To PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .