I have a 2004 envoy with 85k miles. I was driving it last week and it stopped running while i was driving it? it will not start or anything? when I try to start it doesnt even make any noises? What could it be? I was thinking a ecm?
If the vehicle stops while driving so you should check the battery wiring and engine condition. If everything working fine so restart the vehicle after some time. It will work.