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):

J35Z6 engine Valve Stem-to-Guide Clearance Inspection

J37A4 engine Valve Stem-to-Guide Clearance Inspection

or worn stem seal(s):

J35Z6 engine Valve Inspection

J37A4 engine Valve Inspection

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