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Forum: Duramax LB7

Duramax 2001-2004 LB7, incl DSP custom OS.

  1. Need help!

    Started by bennyg_ridinhigh, August 20th, 2015
    • Replies: 8
    • Views: 5,093
    ironmax
    September 20th, 2015 Go to last post

  2. ECM Locked

    Started by bentley429, July 22nd, 2014
    • Replies: 9
    • Views: 5,826
    THEFERMANATOR
    July 22nd, 2014 Go to last post

  3. Help with retreving Stock tune

    Started by Berge9798, August 9th, 2014
    • Replies: 3
    • Views: 3,359
    30 RUM
    August 18th, 2014 Go to last post

  4. White smoke at idle

    Started by bhamdmax, February 15th, 2011
    • Replies: 0
    • Views: 2,760
    bhamdmax
    February 15th, 2011 Go to last post

  5. Exclamation HELP, EFI live cannot detect pcm/ecm/tcm

    Started by bigblackdiesel, May 29th, 2010
    • Replies: 8
    • Views: 6,092
    bigblackdiesel
    June 3rd, 2010 Go to last post

  6. Used efilive

    Started by biggamehuntertoo, September 20th, 2009
    • Replies: 8
    • Views: 12,600
    GMPX
    January 2nd, 2010 Go to last post

  7. 2002 LB7 over-rev in 4th gear

    Started by BigTexas68, May 8th, 2012
    • Replies: 4
    • Views: 5,358
    BigTexas68
    May 10th, 2012 Go to last post

  8. DSP5 Tuning Problems

    Started by BigTexas68, July 20th, 2012
    1 Attachment(s)
    • Replies: 5
    • Views: 4,948
    BigTexas68
    July 23rd, 2012 Go to last post

  9. Bench Harness

    Started by Biodiesel66, May 3rd, 2006
    • Replies: 1
    • Views: 5,264
    Biodiesel66
    May 3rd, 2006 Go to last post

  10. how can I change the vin in my lb7 PCM?

    Started by bkstoffe, February 21st, 2014
    • Replies: 1
    • Views: 2,973
    bkstoffe
    February 21st, 2014 Go to last post

  11. lb7 auto cal issues

    Started by blackop555, December 2nd, 2017
    • Replies: 0
    • Views: 2,320
    blackop555
    December 2nd, 2017 Go to last post

  12. Cannot connect to lb7 ecm but can tcm

    Started by blewgrassmotorsports, February 11th, 2011
    • Replies: 7
    • Views: 4,999
    Tordne
    February 11th, 2011 Go to last post

  13. Converting DSP2 tunes to DSP5 Tunes

    Started by BlkMax, March 5th, 2009
    • Replies: 4
    • Views: 6,276
    GMPX
    March 6th, 2009 Go to last post

  14. edge insight & efi

    Started by blkout, August 12th, 2010
    • Replies: 6
    • Views: 12,947
    The Neens
    July 8th, 2011 Go to last post

  15. How do you identify which motor in a 04

    Started by board350, March 20th, 2009
    • Replies: 6
    • Views: 5,504
    Grimme
    October 27th, 2010 Go to last post

  16. Question using SCAN to diagnose fuel problem

    Started by Boost, December 8th, 2009
    • Replies: 2
    • Views: 3,862
    Boost
    December 24th, 2009 Go to last post

  17. Talking I want one.

    Started by BowlingSS, December 11th, 2005
    • Replies: 2
    • Views: 4,652
    GMPX
    December 11th, 2005 Go to last post

  18. dsp5 problem

    Started by brandon04lb7, November 21st, 2007
    • Replies: 9
    • Views: 7,549
    vortecfcar
    January 9th, 2009 Go to last post

  19. Need some help from a Chevy Truck Mechanic

    Started by BRD-PREY, February 15th, 2009
    • Replies: 6
    • Views: 6,708
    Sparky8370
    March 2nd, 2009 Go to last post

  20. What does serial V2 switching of tunes equal to in what position.

    Started by Brian1, February 28th, 2012
    • Replies: 3
    • Views: 3,443
    Ira
    February 29th, 2012 Go to last post
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