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Thread: 05 lly weird issue after 4 days

  1. #1
    Junior Member
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    Mar 2011
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    Default 05 lly weird issue after 4 days

    Have a 05 lly with a dsp5 in it. After a full flash it runs fine for 3-4 days, then seems to get major turbo lag and seems as tunes are 30hp weaker then should be. In ideas? or what to look for?
    Joe Kupferschmid
    Daves Diesel Angola
    www.angoladavesdiesel.com
    Diesel and gas tuning
    Personal Vehicles tunes with efi 06LBZ, 05lly, 2002 Z28, 2004 Gto

  2. #2
    Lifetime Member LB72004's Avatar
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    any codes?
    2008 Chevrolet 3500HD DRW LTZ
    285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

    Sold - 2004 LB7 Duramax, EFI Live with DSP5 Tune
    stage 4 SC transmission, 265/70/16 tires

  3. #3
    Junior Member
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    none
    Joe Kupferschmid
    Daves Diesel Angola
    www.angoladavesdiesel.com
    Diesel and gas tuning
    Personal Vehicles tunes with efi 06LBZ, 05lly, 2002 Z28, 2004 Gto

  4. #4
    Lifetime Member LB72004's Avatar
    Join Date
    Dec 2011
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    try logging desired vs actual vain position. some of the earlier models had issues with the turbo vains getting stuck. just a thought
    2008 Chevrolet 3500HD DRW LTZ
    285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

    Sold - 2004 LB7 Duramax, EFI Live with DSP5 Tune
    stage 4 SC transmission, 265/70/16 tires

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