Excessive Engine Oil Consumption
Excessive engine oil consumption
Diagnostic Procedure:
1. Verify the engine oil filter cap, the oil drain bolt, and the oil filter are tightened.
2. Check for oil leaks.
3. Check for worn valve guide(s) Valve 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).. Block and Piston Inspection