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1999 Lincoln Navigator

Question: pcv system on a 2000 navigator 3.4l v8

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wparks3, Germantown, MD, January 20, 2012, 09:31
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why does it have 3 hoses going into the pcv valve?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, January 20, 2012, 15:05
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    PCV systems normally allow "breathing" of crank case blow bye from both valve to be reintroduced into the intake manifold where it can be "recycled" for emission purposes.

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