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  1. 09-26-2008, 03:41 PM #1
    watindes
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    Default Bogging down during acceleration/1988 350 suburban

    Throttle body injection, any advice on where to start looking?

    Jesse
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  2. 09-26-2008, 06:00 PM #2
    vncj96
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    distributer, wires and plugs would be a good place to start
    99 K1500 Suburban LT "THE BEAST"
    5.7 K&N & True Dual Exhaust
    Hypertech III
    05 17" Silverado rims

    99 LS 1500 5.3 "THE MULE"
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    285/75/16E Dunlop Rover M/T
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  3. 09-27-2008, 07:19 PM #3
    4x4_only
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    Check / replace your fuel filter too.
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  4. 10-01-2008, 12:37 AM #4
    speeddemon31176
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    I am posting for the first time here but, I would definitely replace the fuel filter as stated above and then I would put a pressure gauge on it and see what your pressure is at idle and slowly ramp up the throttle and see if the pressure steps up with throttle effort or does it drop off. If it drops off I would say your pump is going. Just my .02.
    92 GMC Suburban 4x4 5.7L SLE Package Bone Stock for now.
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