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Thread: Gen 3 5.3

  1. #1
    Tuner in Training
    Join Date
    Mar 2022
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    24

    Gen 3 5.3

    Hello i dont know much about tuning someone brought an 06 silverado 5.3 to our shop it doesnt have power but no codes related to a power issue i wonder if its an issue with the tune ill attach the tune below
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  2. #2
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
    Location
    Rogers, MN
    Posts
    13,559
    It's not the tune. It's 100% stock, nothing is changed in it.

    Compared it to a 2006 Sierra tune I have and it's all the same.

    It's got real problems if it's down on power. Fuel supply problem or maybe even clogged cats.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    Tuner in Training
    Join Date
    Mar 2022
    Posts
    24
    thanks 5FDP FOR the info ill check that