Where is the PCV valve located on a 1997 Ford Expedition? (video)

https://www.youtube.com/watch?v=IiIWfoEwwqI

What function does the PCV valve have?

Essentially, a PCV valve controls emissions — it takes the gases produced by the crankcase and routes them back into your engine's combustion chambers to be safely burned without harming your vehicle or the environment. While gases can exit the crankcase through the PCV valve, they cannot return into it. via

Leave a Reply

Your email address will not be published.