Base Engine Misfire with Abnormal Valve Train Noise
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Base Engine Misfire with Abnormal Valve Train Noise
| Cause | Correction |
|---|---|
| Worn or incorrectly adjusted valve rocker arms The valve rocker arm and rocker arm rollers should be intact and in the proper working condition. |
Adjust or replace the rocker arms, as required. |
| Stuck valves Carbon buildup on the valve stem can cause the valve not to close properly. |
Repair or replace, as required. |
| Excessively worn or mis-aligned timing components | Replace components, as required. |
| Worn camshaft lobes | Replace the camshafts, as required. |