i have a 98 caravan that will start and run fine but after 15 mins it will cut off and all the lights work the gauges work but i here the fuel pump relay clicking very fast as well as the auto shut down relay i have fuel pressure at the rail. will not crank over when these are clicking. ill wait a half hour or so with the key off and it will start and run again for 15 miles but will cut off again and do the same thing. all over i wait again and the thing will restart and go but i did this for a hundred or so miles and after about 5 hours it would start again but die after 2 miles then called a tow truck to get it home. could it be a bac ecm or computer doing this will it seems worse in hot temps not engine air mainly im in tn

 

its at the dealer now ill let you all know the outcome i need the van fixed i think im looking at a bad pcm