Phigment

Can someone please point me to where the PCV valve is located in my 03 F150 4.6L? I have googled, searched and youtubed everywhere for a picture or video of where it is but have had no luck. I thought it was in the middle of the passenger side valve cover but when I disconnect the hose it doesn't come close to matching the NAPA replacement I bought. I have attached two photos of the left and right side of my engine so if you can identify it please help! I thought this was going to be a simple process...

Thanks in advance.

Scott

guage

driver's side rocker cover

BIGxREDx2003

guage is wrong! its on the passenger valve cover same side as the oil cap. follow the rubber boot next to the oil cap up and to the back of the throttle body. that hole hose is called a pcv hose and the 90 degree rubber boot attached to the throttle body is the part that deteriorates and goes bad.

skizriz

Just noticed my hose was bad the other day. Need to add that to my list of things to do.
The PCV valve was also "buzzing". Never heard one do that before. Anybody ever hear of such a thing? I know I'm not going crazy.

Phigment

So is the valve on top of the passenger valve cover (visible in my picture) or is at the other end of the hose by the throttle body?

skizriz

It's the thing between your oil cap and fire wall.

Sl33p3r

not related but might help the 2 hoses (above the hose on the drivers side that you thought was the pcv hose) take the 2 hoses off (they are connected next to the throttle body and next to the egr valve) and look inside them and make sure they aren't clogged. The ones on my 4.6 were clogged you couldn't even blow thru em. so I took a can of wd40 (with the straw) and sprayed them out and blew thru them with my mouth until they were clean.

I tell you my truck ran a lot better. Even the 0-60 time was quicker.
I also can spin the 285's a lot better

Phigment

Can you be more specific? There's a lot between the oil cap and firewall. I thought the hose coming out of the valve cover was not it?

skizriz

texasedition

skizriz, could you still be more specific. I have no clue where you are getting at.