(1) Possible Causes 1) Oil Leakage
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2) Oil Level
3) Engine Oil Temperature
4) Turbocharger
5) Valve Guides
6) Piston Rings
(2) Recommended Measures
1) Oil Leakage. Locate all oil leaks. Repair the leaks. Check the crankcase vent for excessive dirt.
2) Oil Level. Remove excess oil. Identify the source of the excess fluid. Repair the leak causing the malfunction. Recheck all fluid levels.
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3) Engine Oil Temperature. Check the engine oil temperature for proper conditions.
4) Turbocharger. Check the intake manifold for oil. Repair or replace the turbocharger if necessary.
5) Valve Guides. Replace the cylinder head if the valve guides are worn.
6) Piston Rings. Inspect internal engine components. Replace any worn parts.
