Excessive Engine Oil Consumption

Excessive engine oil consumption

Diagnostic Procedure:

1. Verify the engine oil filler cap, the oil drain bolt, and the oil filter are tight.

2. Check for oil leaks.

3. Check for worn valve guide(s) Valve Stem-to-Guide Clearance Inspectionor worn valve stem seal(s). Valve Stem-to-Guide Clearance Inspection

4. Check for damaged or worn piston ring(s). Piston Ring Replacement

5. Check for damaged or worn engine internal parts (cylinder wall, pistons, etc.).