Quote:
Originally Posted by falloutboy
Than it is broken.
It only should go in one direction, enabling to suck oil fumes and blow-by gases out of the crankcase
|
I found numerous people posting about air going in both directions on numerous new PCV valves, the ones purchased at local auto parts stores (Fram and Purolator branded mostly) did this. The OEM ones did not do this. My Escort runs better with the new Motorcraft one.