Thread: ZJ Problems

  1. #1
    Carlos Dominguez's Avatar
    Carlos Dominguez is offline Junior Member
    Join Date
    Feb 2019

    ZJ Problems

    Hey guys so Iíve got a 96 ZJ with the 5.2 V8 and Iíve run into a problem. The Jeep will start up and idle until the gas pedal is stepped on then itíll die, then it seems to not wanna start up again unless the gas pedal is stepped on and held until it turns over. It wonít stay idling unless youíre actively pushing the gas pedal to keep from dropping to 0 RPM. It just had new fuel injectors installed as 2 were bad. Itís been doing this for around 2-3 months. I have noticed that white smoke does seem to come out from under the engine and I just recently cleaned out the IAC as it was filthy as well as the throttle body. Any help would be appreciated!

  2. #2
    JPNinPA's Avatar
    JPNinPA is offline Senior Member
    Join Date
    Feb 2009
    Dayton Ohio Area

    Re: ZJ Problems

    When it starts and idles what RPM does it idle at?
    Any missing?
    White smoke like burning oil or water? Check your oil for signs of water and your coolant level and for signs of oil.
    This a stock 5.2 or what is it out of?

    Check your fuel pressure
    Make sure you have good connection to the TPS and IAC.
    Same with the fuel injectors.


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    "Never look down on anybody unless you're helping him up" - Jesse Jackson

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