Helo everyone, new to this site, he's my problem, 1993 F-150/4.9 liter, if I give it just a little gas it dies, give it alittle more and runs fine, seems like a dead spot some how, I just rev it up alittle and wants to die, but increase it runs fine, on top of engine just behind oil cap there is cap, I'm thinking this is the PCV, My other question is where does the other end of this go, it's not hooked up to anything but it has a lip on it, any help would be great, thanks,

93-150