CHECK ENGINE OIL AMOUNT.

Check the engine oil amount.

QUESTION

Does the engine oil amount increase significantly?

Yes No

Check the fuel leaks into engine internal.

NOTE:

Using “Injector Control (Injection Stop Mode)”, identify the cylinder where fuel leaks is occurring to check intensively. In cylinder where the fuel leaks is occurring, the engine behavior change is small or does not change even when the injector is deactivated.