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Thread: please help 2014 l83 6l80 injectors wont fire please help

  1. #1
    Tuner in Training
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    Dec 2020
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    please help 2014 l83 6l80 injectors wont fire please help

    i have post before but nothing worked this is a stock motor with all the vvt nothing is removed im keeping it stock!!!!!
    1) harness is good and grounded
    2) vats removed and complete rewrite
    3) have been comparing it to my 2015 gmc truck
    they flashed my computer so i did go back threw it. i just cant see whats going on for the injectors not to fire. i dont think no fuel pressure would stop firing of the injector with a test light (Noid)

    here is the first tune
    Attached Files Attached Files

  2. #2
    Tuner in Training
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    i guess there's no help out there

  3. #3
    Senior Tuner
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    Well you were asked several times to post a log and you didn't.

  4. #4
    Tuner in Training
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    Dec 2020
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    here you go please let meknow what you see i just dont see nothing my next step is the harness is no good
    Attached Files Attached Files

  5. #5
    Tuner in Training
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    Angry

    dam i hope this work
    Attached Files Attached Files

  6. #6
    Tuner in Training
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    Dec 2020
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    im not sure how to load this
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  7. #7
    Tuner in Training
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    Dec 2020
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    hole cow it worked

  8. #8
    Tuner in Training
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    here is start 3 no injectors firing
    Attached Files Attached Files

  9. #9
    Potential Tuner
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    Sep 2020
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    What did the issue end up being ? we started up one last night for first time and no injector pulse , just now starting to look into it .but curious what your issue was.

  10. #10
    Tuning Addict
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    There's no rpm or anything in the above log - I imagine a blow fuse or something as there aren't even any sensors showing some sort of a change. Might want to check that if yours is like that too.
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

    ~Greg Huggins~
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