WizPorsche914
May 24 2008, 08:45 PM
I changed my spark plugs today and they had a small amount of old oil residue on them. Is this cause for major worry ?
Ericv1
May 25 2008, 06:33 AM
More than likely yes. The rings could be going bad and allowing oil into the combustion chamber. I would say at a minimuim you would need a top end rebuild. Eric