the van will not run in heat on 1990 Ford Aerostar

I live in las vegas i have an 1988 ford areostar van it dies when its hot outside and will start when its cooler how can i fix this

Asked by for the 1990 Ford Aerostar
set it on fire
1 more answer
it is most likely your ignition module. I used to work as a Ford tech in dealerships and this was a very common problem. Good Luck!