Yes sounds like bad PCM be warned I once replaced the PCM in 1 of these cars and it ran for 15 minutes {warm up and trip around the block} before it killed the new PCM......the car went to junkyard after that
Take care, Rick 68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
