Oil in air filtration system

Tiny
MONEYSAM
  • MEMBER
  • 1995 NISSAN MAXIMA
  • 180,000 MILES
Why would oil b in the air intake system
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Wednesday, October 10th, 2012 AT 8:12 PM

3 Replies

Tiny
KHLOW2008
  • EXPERT
This is usually due to a faulty PCV or the engine has excessive blowby gases.
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Wednesday, October 10th, 2012 AT 8:17 PM
Tiny
MONEYSAM
  • MEMBER
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
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Wednesday, October 10th, 2012 AT 10:05 PM
Tiny
KHLOW2008
  • EXPERT
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
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Wednesday, October 10th, 2012 AT 10:16 PM

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