Question about 1991 Geo Metro
When the PCV valve clogs as all do, ignored,(lack of service)
the valve blocks the crank case vent. (vacuum side blocked)
so it backs up to the other direction that is the air cleaner.
the oil there is from the PCV hose, if you remove that hose
to the Air cleaner, (called PCV vent) you will see it drip oil
the proof is there.
Posted on Oct 02, 2015
You might get lucky with a new PCV valve. But it sounds like you have a small leak in either the intake manifold or a head gasket. if so it will get worse soon. white smoke is water. blue is oil. black is gas. place a white rag or paper towel at the tailpipe to get the true color of the smoke
Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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