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tight throttle

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by gill, Oct 4, 2001.

  1. gill

    gill Registered Member

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    Location:
    memphis and murfreesboro, tn
    Im havin a problem with my tbi sticking. It is always hard to press on the gas pedal from a light and when I finally to get it to go I usually end up stompin it. Any kind of feedback would be much appreciated cause this is one of those problems that get to you after a while.
    88 College K5
     
  2. arq

    arq 1/2 ton status

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    few things you can do;
    check the spring, make sure you're not using 5 of them.
    check the linkage that goes to the carb, sometimes they get kinks.
    check the clearance under the pedal, sometimes the carpet gets in the way.

    ARQ.

    offroad baja!!!
    1-72 4x4 CST Blazer
    2-71 4x4 CST Blazer
    <a target="_blank" href=http://coloradok5.com/gallery/ArqDennis>My Pics</a>
     
  3. Itali83

    Itali83 1/2 ton status

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    I say it is the cable, that did it for me.
    Ben 87 Jimmy
     
  4. newyorkin

    newyorkin 1 ton status

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    Gill,

    I'd say check all of the above, then try a few more things;

    Is it the same symptom with the engine off?

    I have/had the same problem for awhile now. The throttle shaft bore can wear out, causing the throttle plates to move a hair when closed and vaccuum is applied (engine at idle). Then, when you try to open them, they stick against the side of the TBI bore, and eventually pop open with enough force.
    See former post:

    k5.8m.com
    Welcome to America. <P ID="edit"><FONT class="small">Edited by newyorkin on 10/04/01 10:34 AM.</FONT></P>
     

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