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Thread: VGT Surge between 1200-1900 RPM

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    chrispear10's Avatar

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    VGT Surge between 1200-1900 RPM

    I have a 2015 3500 deleted and when cold the VGT is getting commanded up and down 50%.

    I have a raceme tuner but it still happens when I return to stock but it worse.

    It does it a little when warm and it doesn’t have to be under load.

    Has anyone run into this?

    It’s driving me insane.


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    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    Are you running box tunes?

    Join as a Lifetime Platinum Member Today

    "The grass is greener where you water it"


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    chrispear10's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    I am, but like I said it does when I return it to stock as well.

    Do you think it could be tuned out?


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    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    Quote Originally Posted by chrispear10 View Post
    I am, but like I said it does when I return it to stock as well.

    Do you think it could be tuned out?
    But you'd be running deleted tuning on a stock tune correct?

    "The grass is greener where you water it"


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    chrispear10's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    No I backed it all the way back to stock, check engine light and all LOL.


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    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    Quote Originally Posted by chrispear10 View Post
    No I backed it all the way back to stock, check engine light and all LOL.
    That is our point.

    It wouldn't work correctly then.

    "The grass is greener where you water it"


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    chrispear10's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    I tried backing it to a stock deleted tune as well.

    I have a j2534 tool and updated all the modules with witech.

    Reinstalled a tune with power added and without and stock and it still does it.

    I don't think its the tunes fault but it would be nice if it can be programmed out.


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    Daily Grinding! RamIt's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    This is a problem with the RaceMe as a whole. Common issue with the VGT nozzle going nuts after tuning.

    Unfortunately, I don't recall what the fix was for it. Have you attempted updating the Ultra firmware and reflashing? Alternatively, you can just unplug the VGT motor for the time being


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    chrispear10's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    Is there anyone that can do the tuning to get rid of it with programming that you know of?


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    Daily Grinding! RamIt's Avatar

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    Re: VGT Surge between 1200-1900 RPM

    Quote Originally Posted by chrispear10 View Post
    Is there anyone that can do the tuning to get rid of it with programming that you know of?
    I don't believe you can just remove VGT functionality in a tune. I might be wrong. However, 99% of your issues are going to be related to the box tuning (its trash).
    @DRD can square you away with WARP tuning for your truck that will be a FAR better option.


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