Can anybody give me a seriouse answer? My jeep will not run right when i first start it, i rev it up and then it runs great, park it and then it starts to run bad, idol is rough and it spits and sputters I have changed a bad fuel injector all the plugs, wires, cap, main coil, all kinds of sensors and sometimes it also makes a popping sound when it doing this..but when you give it gas it runs great, I just don't get it.. plz help, thank you.
jeep question 1997 cherokee 4.0?
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