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Forum: Duramax LB7

Duramax 2001-2004 LB7, incl DSP custom OS.

  1. Lb7 2002 won't load tune

    Started by Traviszahar, June 15th, 2017
    2 Attachment(s)
    • Replies: 1
    • Views: 2,642
    killerbee
    June 16th, 2017 Go to last post

  2. Truck Won't Start

    Started by paintballrepins, June 4th, 2017
    1 Attachment(s)
    • Replies: 4
    • Views: 3,876
    paintballrepins
    June 5th, 2017 Go to last post

  3. License not active

    Started by CmpDiesel, January 28th, 2016
    2 Pages •
    1 2
    • Replies: 10
    • Views: 11,825
    Blacky
    May 31st, 2017 Go to last post

  4. Injector Stuck????

    Started by TravisF, September 26th, 2016
    • Replies: 2
    • Views: 4,616
    LB72004
    May 5th, 2017 Go to last post

  5. LB7 Hummer H2 Swap

    Started by Tschimka, April 9th, 2017
    • Replies: 3
    • Views: 3,333
    THEFERMANATOR
    April 15th, 2017 Go to last post

  6. What am I doing wrong here? I have really harsh defueling!

    Started by Diesel Doctor of Tn, October 26th, 2016
    1 Attachment(s)
    • Replies: 4
    • Views: 4,440
    Diesel Doctor of Tn
    November 20th, 2016 Go to last post

  7. difference in DTC enablers?

    Started by pavetim, November 9th, 2016
    • Replies: 0
    • Views: 2,553
    pavetim
    November 9th, 2016 Go to last post

  8. How to compensate for larger injectors?

    Started by Zorganov, May 16th, 2013
    2 Pages •
    1 2
    • Replies: 16
    • Views: 24,585
    pavetim
    November 9th, 2016 Go to last post

  9. LB7 and 30 over injectors

    Started by pavetim, October 18th, 2016
    • Replies: 0
    • Views: 3,119
    pavetim
    October 18th, 2016 Go to last post

  10. Can only get 90mm3 of fuel, what's wrong?

    Started by mitchellmcevoy, October 9th, 2016
    • Replies: 1
    • Views: 3,282
    THEFERMANATOR
    October 14th, 2016 Go to last post

  11. LB7 ECM repair, AB28F400B5

    Started by DURAtotheMAX, August 16th, 2016
    • Replies: 1
    • Views: 4,872
    GMPX
    August 16th, 2016 Go to last post

  12. Another Bad ECM?

    Started by WisconsinHick1, April 30th, 2016
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 17
    • Views: 16,236
    30 RUM
    August 4th, 2016 Go to last post

  13. Bag of parts........

    Started by Scarface, June 1st, 2016
    3 Pages •
    1 2 3
    4 Attachment(s)
    • Replies: 24
    • Views: 20,667
    THEFERMANATOR
    June 16th, 2016 Go to last post

  14. Two 01/02 LB7 Cores

    Started by thunder57, June 13th, 2016
    • Replies: 0
    • Views: 2,951
    thunder57
    June 13th, 2016 Go to last post

  15. Another e54 question

    Started by TravisF, June 11th, 2016
    • Replies: 3
    • Views: 4,688
    GMPX
    June 13th, 2016 Go to last post

  16. Lb7 timing tables

    Started by TravisF, June 6th, 2016
    • Replies: 5
    • Views: 7,126
    TravisF
    June 7th, 2016 Go to last post

  17. E54 Issues Again

    Started by WisconsinHick1, May 30th, 2016
    2 Attachment(s)
    • Replies: 3
    • Views: 5,090
    WisconsinHick1
    May 31st, 2016 Go to last post

  18. Defuel Help

    Started by TravisF, May 12th, 2016
    • Replies: 3
    • Views: 5,561
    LB72004
    May 22nd, 2016 Go to last post

  19. looking for stock lb7 zf6 file

    Started by matzkediesel, March 16th, 2016
    3 Attachment(s)
    • Replies: 8
    • Views: 7,266
    30 RUM
    May 3rd, 2016 Go to last post

  20. LB7 Speed Limiter/ High speed defuel???

    Started by larski156, April 7th, 2016
    de-fuel, lb7, limiter 2 Attachment(s)
    • Replies: 2
    • Views: 5,435
    The Neens
    April 28th, 2016 Go to last post
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