Q: I have oil leaking onto my spark plugs.

asked by on March 28, 2017

So if you inspected the car that has oil in the spark plugs, would you be able to determine whether it was a valve cover gasket replacement repair or piston ring repair? And what is the cost to do each? I don't want to get the valve cover gasket fixed justvto find out it's really the piston rings that are bad.

My car has 158000 miles.
My car has an automatic transmission.

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