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  1. #1
    Join Date
    Jan 2014
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    Carthage, TX
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    Default Stalling and service 4wd switch

    OK so today I was sitting at a red light I started to go and it bogged down on me badly I double tapped the skinny pedal and it got up and went but then it started displaying a service 4wd switch message. Any clue what that means? It's a 95 zj( grand cherokee) with the 318 v8 auto trans and NP249 transfer case. It's been stalling in reverse and occasionally at low speeds taking off, what you think clean IAC sensor? What about the service 4wd switch message

  2. #2
    Join Date
    Jan 2012
    Location
    Houston
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    Default Re: stalling and service 4wd switch

    cleaning the IAC never hurts, but I'm thinking you might need to replace the TPS. Some of the other guys on here might have a better idea than myself though.

  3. #3
    Join Date
    Sep 2009
    Location
    Chico, CA
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    Default Re: stalling and service 4wd switch

    I think TPS too. That service 4WD is to get you to take it in for dealer service
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  4. #4
    Join Date
    Jan 2014
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    Default Re: stalling and service 4wd switch

    Well its not going in ill unhook battery lol

  5. #5
    Join Date
    Sep 2009
    Location
    Chico, CA
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    Default Re: stalling and service 4wd switch

    Good Plan
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  6. #6
    Join Date
    Oct 2011
    Location
    S.E. Texas
    Posts
    29,251
    Chats
    1247

    Default Re: stalling and service 4wd switch

    Had the same message on my moms '93 ZJ, never had any problems so we never put forth the effort to find out what it means.

  7. #7
    Join Date
    Jan 2014
    Location
    Carthage, TX
    Posts
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    22

    Default Re: Stalling and service 4wd switch

    Yeah don't think I'm gonna worry about it more worried about the stalling

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