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Forum: Duramax LB7

Duramax 2001-2004 LB7, incl DSP custom OS.

  1. ecm controller not available, ( $0281 ) code during ecm read

    Started by djv86, February 10th, 2015
    2 Pages •
    1 2
    • Replies: 18
    • Views: 16,173
    djv86
    February 20th, 2015 Go to last post

  2. Truck feels fast for a little while then...................

    Started by JustinD, February 16th, 2012
    3 Pages •
    1 2 3
    5 Attachment(s)
    • Replies: 24
    • Views: 16,171
    JustinD
    October 20th, 2012 Go to last post

  3. $0333 error

    Started by JLawson, May 4th, 2013
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 10
    • Views: 15,972
    Slow6.7
    June 21st, 2013 Go to last post

  4. 02 OS into a 01 ECM

    Started by horsehaulin, May 18th, 2008
    3 Pages •
    1 2 3
    • Replies: 28
    • Views: 15,913
    acrider2
    September 28th, 2008 Go to last post

  5. Fuel Rail Pressure Issues

    Started by WisconsinHick1, July 25th, 2012
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 10
    • Views: 15,307
    comnrailpwr
    July 26th, 2012 Go to last post

  6. Lift pump and injection pump NEED HELP

    Started by motormadness798, February 22nd, 2012
    2 Pages •
    1 2
    • Replies: 17
    • Views: 15,158
    LB72004
    March 7th, 2012 Go to last post

  7. Red face Lope at Idle

    Started by tdfchevy, February 19th, 2009
    • Replies: 8
    • Views: 14,937
    vortecfcar
    February 28th, 2009 Go to last post

  8. Question: Proper way to test CP3???

    Started by joeracer01, September 28th, 2010
    5 Attachment(s)
    • Replies: 6
    • Views: 14,865
    THEFERMANATOR
    October 8th, 2010 Go to last post

  9. Cannot unlock ECM after I generate a key for it

    Started by vortecfcar, February 7th, 2011
    2 Pages •
    1 2
    • Replies: 11
    • Views: 14,850
    Blacky
    April 23rd, 2013 Go to last post

  10. Just got EFI live now how to register?

    Started by B_Erickson_00, April 4th, 2007
    2 Pages •
    1 2
    • Replies: 14
    • Views: 14,276
    Tordne
    April 5th, 2007 Go to last post

  11. LB7 Lope tune strange issue

    Started by LBZoom, February 21st, 2011
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 15
    • Views: 14,251
    justafarmtruck
    January 4th, 2012 Go to last post

  12. New PCM, A/C won't work and it's 104!

    Started by puddlestomper, June 28th, 2013
    3 Pages •
    1 2 3
    • Replies: 23
    • Views: 13,836
    EagleMark
    August 31st, 2013 Go to last post

  13. Question Code $0537: Controller is locked with a custom key

    Started by 9mmkungfu, April 10th, 2014
    • Replies: 9
    • Views: 13,687
    9mmkungfu
    May 1st, 2014 Go to last post

  14. 2004 LB7 no communication with the ECM

    Started by 79289Chase, April 30th, 2012
    2 Pages •
    1 2
    • Replies: 11
    • Views: 13,632
    79289Chase
    May 1st, 2012 Go to last post

  15. ** Help. **

    Started by Nemo, September 30th, 2009
    2 Pages •
    1 2
    • Replies: 13
    • Views: 13,417
    Nemo
    May 22nd, 2010 Go to last post

  16. DSP 5 not working

    Started by minytrker, November 29th, 2009
    • Replies: 9
    • Views: 13,328
    vortecfcar
    March 9th, 2010 Go to last post

  17. LB7 Lope Tune

    Started by Hoytmax Diesel, April 21st, 2012
    3 Attachment(s)
    • Replies: 7
    • Views: 13,032
    THEFERMANATOR
    May 7th, 2012 Go to last post

  18. edge insight & efi

    Started by blkout, August 12th, 2010
    • Replies: 6
    • Views: 13,031
    The Neens
    July 8th, 2011 Go to last post

  19. Problem with fuel tables?

    Started by Sparky8370, June 14th, 2009
    2 Pages •
    1 2
    6 Attachment(s)
    • Replies: 13
    • Views: 12,920
    GMC-2002-Dmax
    June 22nd, 2009 Go to last post

  20. No response from ECM

    Started by Sledhead, August 30th, 2011
    3 Pages •
    1 2 3
    2 Attachment(s)
    • Replies: 22
    • Views: 12,848
    Sledhead
    September 8th, 2011 Go to last post
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