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Thread: DTC Codes P020A-F Trying to Tune

  1. #1
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    Default DTC Codes P020A-F Trying to Tune

    Hey guys so I made a tune file for my 2012 6.7 cummins.
    Here's what I modified:
    Main Timing: Max 23*
    Duration: Added 25% to the upper cells then blended it into the surrounding cells which gives me a max of around 2700 us
    Rail Pressure: Smoothed with max at 1850
    Post Quantity: Zeroed
    Timing Earliest Limit: Set to 50*
    Timing Latest Limit: Set to -20*

    When I do a WOT run, I get the codes P020A-F which are injector 1-6 performance codes.
    Only on this tune do I get these codes. I'm not sure what it could be. Any help would be great!

    I feel like it could be a rail pressure problem where it's not getting enough fuel to the injectors to match the commanded fuel values which triggers the code. Can anyone verify this?

  2. #2
    Lifetime Member 2007 5.9's Avatar
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    Emissions equipped tuning?
    Les Szmidt
    2007 5.9 Dodge Ram
    2014 Ram 3500 Aisin tuning Emissions Equipped
    EFI Live Cummins BETA Tester
    Silver Bullet Tuning
    silverbullettuning@gmail.com
    www.youtube.com/ljszmidt
    http://www.facebook.com/SilverBulletTuninig

  3. #3
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    Quote Originally Posted by 2007 5.9 View Post
    Emissions equipped tuning?
    No. Emissions are turned off. I'm using a different software that allows deletes but figured I could find info here!

  4. #4
    Lifetime Member bobo's Avatar
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    Quote Originally Posted by Justinsixseven View Post
    No. Emissions are turned off. I'm using a different software that allows deletes but figured I could find info here!
    What software are you using?
    2005 Twin Turbo Dmax/Allison Ext. Cab Short Box 4X4
    Best 1/4 11.8 @ 118+ on #2 only

    Twisted Diesel Tuning-The leader in Duramax Tuning Services and soon to offer Common Rail Cummins Tuning!

    Bobotune at rocketmail dot com

  5. #5
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    Quote Originally Posted by bobo View Post
    What software are you using?
    Warp Tuning for RaceME

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