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Thread: New build fires but won?t run (video inside)

  1. #1
    Tuner in Training
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    New build fires but won?t run (video inside)

    Hey y?all. I have a l33 I just built. Full bottom, full forged, trickflow heads, ls6 intake id1050 injectors, hellcat pump with aeromotive fpr, d1x procharger.

    Truck will fire real quick and happy but instantly dies, no throttle response, no attempt to idle.

    Pretty sure I scaled injector data and everything correctly, just not sure where to start looking. Seem like the tune?

    Video (sorry tiktok was fastest and most compressed to upload):
    https://www.tiktok.com/@guhman20022/...k0xdFKYd0&_r=1

  2. #2
    Tuning Addict 5FDP's Avatar
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    Where is the tune file?
    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
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    Quote Originally Posted by 5FDP View Post
    Where is the tune file?
    Dammit, with sleeping kids I'm gonna have to post the tune tomorrow I guess. Reformatted my hard drive on my laptop and my Cable is in the sleeping baby's room LOL

    If you dont mind checking back I would greatly appreciate it

  4. #4
    Senior Tuner edcmat-l1's Avatar
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    This has gotten downright comical at this point. Now we're posting tiktok videos for diagnostic assistance INSTEAD of data logs and tune files???

    EFI specialist
    Advanced diagnostics, tuning, emissions
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  5. #5
    Senior Tuner
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    Sounds like it's got a REP type DTC going on. Make sure you scan it for codes while you have no pedal response.
    Tuner at PCMofnc.com
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  6. #6
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    Quote Originally Posted by edcmat-l1 View Post
    This has gotten downright comical at this point. Now we're posting tiktok videos for diagnostic assistance INSTEAD of data logs and tune files???
    Thanks for your input, my guy.

    2 babies under 2 years old, garage is connected to bedroom side of house, both neighbors also have babies, working past bedtime next few nights so just tried to get the quickest option in incase it was something obvious to somebody. Sorry my life isn?t great, I know

  7. #7
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    Quote Originally Posted by Alvin View Post
    Sounds like it's got a REP type DTC going on. Make sure you scan it for codes while you have no pedal response.
    I?ll give that a look for sure, thanks for the idea