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Forum: Duramax LB7

Duramax 2001-2004 LB7, incl DSP custom OS.

  1. A2000 / 2400 file request

    Started by APStuning.com, July 28th, 2018
    • Replies: 0
    • Views: 2,686
    APStuning.com
    July 28th, 2018 Go to last post

  2. Clean Stock LB7 OS

    Started by WisconsinHick1, October 21st, 2014
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 13
    • Views: 23,373
    GMC-2002-Dmax
    August 18th, 2018 Go to last post

  3. Do you have a good lb7 dsp5 tune ??

    Started by bstuder11, September 18th, 2018
    • Replies: 0
    • Views: 4,237
    bstuder11
    September 18th, 2018 Go to last post

  4. Loading efi. Error $0537

    Started by Scruffy, October 5th, 2018
    • Replies: 0
    • Views: 5,250
    Scruffy
    October 5th, 2018 Go to last post

  5. Efilive aborted at beginning of flash

    Started by DieselMafialb7, August 26th, 2019
    • Replies: 3
    • Views: 10,737
    DieselMafialb7
    August 26th, 2019 Go to last post

  6. Lightbulb I want to start tuning my own truck without taking it to a shop!! What do i need?

    Started by Cam03lb7Dmax, December 7th, 2019
    03lb7
    • Replies: 4
    • Views: 4,646
    Cam03lb7Dmax
    December 7th, 2019 Go to last post

  7. LB7 $0544 when attempting to activate license

    Started by harbin_22, February 16th, 2020
    • Replies: 4
    • Views: 5,328
    harbin_22
    February 22nd, 2020 Go to last post

  8. can someone go over my dsp5 tune

    Started by powellbuilt95, February 6th, 2020
    dsp5, lb7 1 Attachment(s)
    • Replies: 2
    • Views: 4,405
    powellbuilt95
    May 26th, 2020 Go to last post

  9. LB7, E54 ECM will not store serial and VIN number.

    Started by Frebo74, June 23rd, 2020
    • Replies: 0
    • Views: 2,399
    Frebo74
    June 23rd, 2020 Go to last post

  10. 2001 LB7 says locked with key While trying to tune ecm

    Started by Lymansc2, June 19th, 2020
    • Replies: 8
    • Views: 6,306
    GMPX
    June 25th, 2020 Go to last post

  11. Unlock script>>>>bricked ecms

    Started by killerbee, July 12th, 2020
    • Replies: 2
    • Views: 4,124
    killerbee
    July 13th, 2020 Go to last post

  12. LB7 PID question

    Started by dndj, November 20th, 2020
    • Replies: 1
    • Views: 3,114
    dndj
    November 30th, 2020 Go to last post

  13. Vats issue

    Started by golzee, May 12th, 2021
    • Replies: 0
    • Views: 2,176
    golzee
    May 12th, 2021 Go to last post

  14. LB7 code $0333

    Started by Harshmanauto, June 9th, 2021
    1 Attachment(s)
    • Replies: 0
    • Views: 2,797
    Harshmanauto
    June 9th, 2021 Go to last post

  15. Unhappy 04 duramax with running efi live presently. possibly changing tcm.

    Started by peter strawn, July 2nd, 2021
    • Replies: 0
    • Views: 5,883
    peter strawn
    July 2nd, 2021 Go to last post

  16. LB7 Locked ECM

    Started by btkuhlmannut@gmail.com, October 26th, 2021
    • Replies: 2
    • Views: 9,485
    btkuhlmannut@gmail.com
    October 29th, 2021 Go to last post

  17. Lb7

    Started by ozzy, November 25th, 2021
    tuning
    • Replies: 1
    • Views: 12,269
    joecar
    November 27th, 2021 Go to last post

  18. Question MAF rescaling help

    Started by Wyatt D, March 17th, 2022
    lb7, maf
    • Replies: 1
    • Views: 10,219
    THAHN
    May 16th, 2022 Go to last post

  19. another LB7 locked ECM

    Started by jeeper, May 30th, 2022
    • Replies: 3
    • Views: 9,383
    jeeper
    May 31st, 2022 Go to last post

  20. e35a lbz duramaX tune

    Started by JCA, August 10th, 2022
    1 Attachment(s)
    • Replies: 1
    • Views: 6,300
    MatrixBDP
    August 15th, 2022 Go to last post
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