got 96 4.0 cherokee. so it was runnin like crap. would almost die then u give it WOT and it would pick up clean out and move with a backfire. k no biggy really. well then it startd doin it and i go WOT and then a LOUD backfire and it shut off. wont start. got fuel to the rail. turns sounds like there aint not fuel hell maybe no spark. i hate this Jeep. well i like it alot just hate all this sensor and mopar crap. its always somethin plz help asap. couldnt go to wrk. dont wanna sell it but it may happen help me plz plz plz thnx