Driving my daughters ‘89 Jeep from St Louis to Fort Collins (CSU), at the last 100 miles it started losing power, sputtered, then quit. After sitting a few minutes, started fine, another 5mi at 75mph before did it again. Ended up getting towed, but drove around fine once in town. At first I thought bad gas/dirty filter/pickup (had recently filled up), but wouldn’t think it would run normally at all. Or the HEI or electric fuel pump (has the 4.0/fuel injection mod) were failing after getting hot. I am taking it in somewhere, but it’s. It failing, so at a loss what they could do.