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Thread: SD mode on a 2016 silverado 5.3

  1. #1
    Potential Tuner
    Join Date
    Oct 2018

    SD mode on a 2016 silverado 5.3

    Alright guys i'm having an issue when tuning in SD mode on my 2016 Silverado 5.3l. I need some reassurance that i'm even setting it up right, applying the changes correctly.

    The first tune in SD mode runs good. The second run with the changes to vve will either have a crank and die issue or if i make it on the road it will fall on its face bogging (and then sounded like it was hitting a rev limiter and i was barely over 2k) the wb pegs out lean when giving it around half throttle. I gave up after the 3rd go and loaded up the first sd tune i have posted.

    I always paste special/multiply by half to the manifold switch closed table then copy that table before clicking calculate coefficients, then paste to the manifold switch open table then click calculate coefficients for it.

    I have maf dialed in nearly perfect but this SD is driving me nuts. I have to be missing something or doing something wrong. Any help is appreciated. THANKS
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    Last edited by SILV; 4 Weeks Ago at 09:29 PM.