we have a new 92 model w/ a hot 5.2 that we put back in the truck (it'd been out for 7-8 months). everything seemed ok at first but after driving about 1/2 mile it shut off and wouldn't crank back unless the peddle is at WOT. it will cold start and idle like a new dollar but u can pump the pedal once and it cuts off like a choke on a carb. and won't crank back unless at WOT. help

 

I would say start at checking the notorious splices the FAQ just above this post in the stickies has a great write-up. Next check you fuel pressure and spark when it doesn't want to start.