spark plugs..

[99v6mustang]

today i just changed my spark plugs and one or two had oil on them i was thinking thats not tooo good... so can yall tell me if its bad?? im trying to fix my hole car promblem i have another thread yall can check that one out and post on that one too thanks for the help :]

[ctwright]

Yes that is bad, you have oil leaking past piston rings or valve guides more than likely.