pcv system on a 2000 navigator 3.4l v8 on 1999 Lincoln Navigator

why does it have 3 hoses going into the pcv valve?

by in Germantown, MD on January 20, 2012
1 answer
ANSWER by on January 20, 2012
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.