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Thread: Bogging down at deceleration..

  1. #1
    Join Date
    Jan 2016
    Location
    JBLM, Washington
    Posts
    35

    Default Bogging down at deceleration..

    I have a 91 XJ/4.0. When driving, it drives and shifts normal but when I come to a stop or begin to slow down, the RPM start to decrease alot. Even gets to the point to where it actually dies slowing down or when I stop. I'm not sure what it is but im guessing vacuum line but not sure where to start...do you guys?

  2. #2
    Join Date
    Sep 2009
    Location
    Chico, CA
    Posts
    29,847

    Default Re: Bogging down at deceleration..

    Does it idle normally otherwise
    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

  3. #3
    Join Date
    Jan 2016
    Location
    JBLM, Washington
    Posts
    35

    Default Re: Bogging down at deceleration..

    Yes it does.

    Sent from my SAMSUNG-SM-G900A using Tapatalk

  4. #4
    Join Date
    Sep 2009
    Location
    Chico, CA
    Posts
    29,847

    Default Re: Bogging down at deceleration..

    i am thinking your throttle position sensor may be the culprit
    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

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