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Thread: 2015 Silverado 5.3 l83 idle surge

  1. #1
    Potential Tuner
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    Jul 2025
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    2015 Silverado 5.3 l83 idle surge help plz

    Hello. I have a 2015 gmc 1500 5.3 l83.

    Btr stage 2 4degree
    CAI
    Dod delete
    4 degree cam lock out

    I am having a hard time to get the idle smooth. I revs up and down a little causing the truck to surge I. Gear stopped. I am not sure what to adjust. Also tuner said I have a large imbalance in banks. Can someone add some advice please.
    Last edited by Mrjuicie345; 1 Day Ago at 12:23 PM.

  2. #2
    Potential Tuner
    Join Date
    Jul 2025
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    Last edited by Mrjuicie345; 1 Day Ago at 10:24 PM.