Start vehicle it runs for a while the shuts down, have to wait for a

The fuel pump is going out most likely. I owned two of those vehicles and that is a common failure. It requires dropping the tank to replace it so it is a fairly pricey repair and not a job most DIY’ers are advised to tackle. I did one on the first caravan I owned. Remove battery ground strap before attempting tank removal!!! Keeping sparks and hot incandescent lights away from gasoline and fumes cannot be stressed enough!!!! You will likely need a second person to help you lift and position the tank when reinstalling. Link for fairly comprehensive tank removal procedure