stalls

Okay, so, short trips in town the truck does fine. But after I've driven around for about 30-45 minutes it starts to stall like its being starved for gas. 50% of the time if I put the pedal to the floor it'll stay in the ame gear and at the same speed, the other 50% of the time it'll upshift and...

I just got my close friend a 95 caravan from a friend at church she lives in NC I'm in sc, anyway she had discovered last week that it would stumble and die sometimes at idle sometimes while driving long distance (hr long or so) it has a mild skip and kinda rough idle, it throws the codes...