No warning lights come on the dash prior to dying. May run for a mile but may not before dying again. Could be at 60 mph or 5 mph doesn't matter.
while driving the engine shuts off without warning. Will restart but dies agian. on 2007 Chrysler Aspen
possible fuel issue, possible ignition issue
It could be a multiple of things. Bring it to a shop so they can correctly diagnose your car.