1991 Chevy Corsica

1991 CHEVROLET CORSICA
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BJB66C
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1991 Chevy Corsica

What is causing oil to accumulate on the bottom of the
air filter housing? What does that indicate?
Jun 24, 2009 at 12:51 PM
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JDL
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Hello, does the oil look like tranny fluid? I've seen leaking vacuum modulator, where applicable, cause this problem. I haven't looked at your vacuum diagram. Just a thought.
Jun 24, 2009 at 1:25 PM