Electrical / Audio / Communication
New to forum here. 1995 XJ, 2wd, 4.0L HO, Auto trans. Jeep will run perfectly on initial startup, and will continue to run like it should UNTIL the key is switched off. On restart, loping idle, backfiring, will not go past 25 mph. Replaced all major players; Distributor, MAP, CKP, TPS, IAC...