Thread: can a reallt bad valve cover leak cause a plug to foul?
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Old 02-28-2002, 06:57 PM
deeph8 deeph8 is offline
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Join Date: Jul 2001
Location: U.S.A.
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maybe
I think the answer depends on the engine. In the 110 engine used in the 280e the spark plugs reside in deep valleys which tend to fill with oil when the valve cover gaskets leak. At least that is what happened with mine.
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