I went to change the spark plugs and found that there was oil in one of the spark plug sockets. So I’m asking what this means. Is the problem the head gasket, valve seal, spark plug tube o-rings, or the piston rings?
I went to change the spark plugs and found that there was oil in one of the spark plug sockets. So I’m asking what this means. Is the problem the head gasket, valve seal, spark plug tube o-rings, or the piston rings?