At high speed my 95 Chevy lumina minivan acted like it was running out of gas , lost power and stalled , turned it off and would start and idle fine ,put in gear , stall , after a couple times it woul
Take off and drive fine for a
week and then same thing ,
now on time it will turn over
but not start
Does sound like the fuel pump, you would need to change the fuel filter and check the fuel pressure. I don't know what size motor this is so I can't give you a pressure it should be at.