Oil in air filtration system

1995 NISSAN MAXIMA
180,000 MILES
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MONEYSAM
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Why would oil b in the air intake system
Oct 10, 2012 at 8:12 PM
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KHLOW2008
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This is usually due to a faulty PCV or the engine has excessive blowby gases.
Oct 10, 2012 at 8:17 PM
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MONEYSAM
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Well actually its not comin frum the air sytem theres a small tube connected to the valve cover thats closest to the radiator and oil is squirting frum it periodically i cudnt figure out where it connects to it doesnt connect to the air filter
Oct 10, 2012 at 10:05 PM
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KHLOW2008
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Hoses from valve covers are PCV related and it either connects the 2 valve covers for V 6 engines or it goes to the air cleaner hose. PCV hose would go to the intake manifold
Oct 10, 2012 at 10:16 PM