| Condition | Action |
|---|---|
| Loose, worn or damaged valve bridge and finger-follower | Inspect valve bridge and finger-follower. Repair or replace all damaged components. |
| Broken valve springs | Inspect valve springs. Repair or replace all damaged components. |
| Sticking valve | Carbon on the valve stem or valve seat may cause the valve to stick. Inspect valves and valve guides. Repair or replace all damaged components. |
| Worn or faulty camshaft lobes | Inspect camshaft lobes. Repair or replace all damaged components. |
Base Engine Misfire with Abnormal Valve Train Noise