Excessive Engine Oil Consumption
Excessive engine oil consumption
Verify the engine oil filler cap, the oil drain bolt, and the oil filter are tight.
Check for oil leaks.
Check for worn valve guide(s) Valve Guide Replacement or worn valve stem seal(s) Valve, Spring, And Valve Seal Removal.
Check for damaged or worn piston ring(s) Service and Repair.
Check for damaged or worn engine internal parts (cylinder wall, pistons, etc.) Testing and Inspection.
Also check for
Check the maintenance records, worn out engine oil will burn off at a higher rate