why one of my spark plug is weat by oil engine.

Asked by nestoras Apr 22, 2012 at 03:58 PM about the 2005 Chevrolet Optra

Question type: Maintenance & Repair

2 Answers
235

Chris answered 12 years ago

you need a valve cover gasket if the oil is on the top of the plug, if the oil is on the bottom of the plug it could be piston rings or a head gasket

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