I have a 1993 F-150 supercab 4x4 5.8l and need the vacuum diagram for this engine it had a manifold leak when i bought it and some vacuum lines were melted off. I know there is supposed to be a sticker under the hood but have looked everywhere and can't find it.any help would be appreciated.

 

Here are some photos that might have what you need:
http://www.webphotos.com/list_photos.asp?mi=3&smi=2&a=78833
And here are some diagrams, but you may have to look around the site for EFIs:
http://www1.autozone.com/servlet/UiBroker?ForwardPage=az/cds/en_us/0900823d/80/0c/e6/05/0900823d800ce605.jsp

 

thanks for the info but I can't get anything from first url and the second one doesn't show for a 1993 5.8l that I can find

 

it is not the best but if you go to the library you can get a copy from the chiltons manual. also I just got back from the used auto supply store (junk yard) and seen two of them in there they were for different years I am sure but they would be the same so I was looking for me one to put back on my air box for a 5.0 couldn't find one of them just my luck.
Good luck with it.
Ben