Cause
| Correction
|
Worn, damaged or stuck valve, carbon on the valve stem or valve seat.
|
| • | Inspect the valve guides. |
| • | Repair or replace damaged components as required. |
|
Worn, damaged or dirty valve lifter.
|
| • | Inspect the valve lifters. |
| • | Inspect the camshaft. |
| • | Repair or replace damaged components as required. |
|
Worn or damaged camshaft lobe.
|
| • | Inspect the camshaft. |
| • | Inspect the valve lifters. |
| • | Repair or replace damaged components as required. |
|
Worn, damaged or loose timing chain and sprockets.
|
| • | Inspect the timing chain and sprockets. |
| • | Repair or replace damaged components as required. |
|
