why do i have oil all over my spark plgs when i take them out

Asked by GuruR9JN May 08, 2017 at 08:08 AM about the 1998 Chevrolet Prizm

Question type: Maintenance & Repair

1 Answer

220,965

Oil on the outside of the spark plug would indicate the valve cover gaskets would need to be changed out. Leaking valve cover gaskets.

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