Motor oil on spark plugs - Saab 900 Bulletin Board - Saabnet.com
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Motor oil on spark plugs
Posted by Matti L (more from Matti L) on Sat, 21 Aug 2004 00:46:24
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My car is Saab 900i model 1987, I have several years occasionally had problems with ignition.I am used to change spark plugs several times every year, that helps always for a while. 2 months ago I noticed that the real reason is oil moist on spark plug tips,which shortcuts it and prevents ignition. I looked in to inled manifold, and found some oil in it. Removed the engine "breathing" hose from manifold, because it seemed that the oil comes that way, it helped a little. But still some oil is coming from somewhere.
Is it coming through the valve guides or perhaps from crankcase through leaking piston rings ?
Any suggestions or advices from anyone ? Has anyone had similar symptoms ?
280000 km in meter and everything else is OK.
posted by 194.100....
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