car runs for about 60 miles then will shut off on 1991 Nissan Sentra

when driving the car it will start fine drives good but around 60 miles the car just shuts off let it coust to side of road put in park and it will start back up then run for about 5 to 6 miles and shut off again has no light on can't figure it out please help?

Asked by for the 1991 Nissan Sentra
Sounds like a defective Ignition Module, ( common on early Nissan ) but have a shop look at it to be sure.