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Forum: Custom Operating Systems

Speed Density, Valet Mode, 2-Step, alpha-N. No Diesel DSP

  1. COS3 Idle no run ??

    Started by L31Sleeper, January 10th, 2010
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 10,564
    April 19th, 2010 Go to last post
  2. I paid for EFLIve, why can't I flash COS3?

    Started by Mr. P., September 8th, 2009
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 14,529
    September 10th, 2009 Go to last post
  3. G/cyl question

    Started by andysc3, June 8th, 2013
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 10,617
    June 14th, 2013 Go to last post
  4. Lean spikes commanded vs actual AFR

    Started by billyjo, January 13th, 2007
    2 Pages
    1 2
    • Replies: 19
    • Views: 10,256
    January 24th, 2008 Go to last post
  5. A0014

    Started by SSpdDmon, June 20th, 2007
    2 Pages
    1 2
    • Replies: 19
    • Views: 14,641
    June 25th, 2007 Go to last post
  6. Back to stock?

    Started by JWolfe75, July 9th, 2011
    2 Pages
    1 2
    • Replies: 19
    • Views: 9,098
    July 17th, 2011 Go to last post
  7. Jenvey ITBs - COS 5 on an LS1

    Started by bimbleuk, January 15th, 2014
    2 Pages
    1 2
    • Replies: 19
    • Views: 15,281
    June 4th, 2014 Go to last post
  8. Cos3 01270003 to Cos 5 02020005. Wont start now

    Started by SuperStepside, January 16th, 2016
    2 Pages
    1 2
    • Replies: 19
    • Views: 32,477
    September 11th, 2017 Go to last post
    • Replies: 19
    • Views: 17,674
    August 15th, 2018 Go to last post
  9. lean cruise in OS3

    Started by horsepower1, November 10th, 2006
    2 Pages
    1 2
    • Replies: 18
    • Views: 10,431
    November 14th, 2006 Go to last post
  10. How do you log misfires in COS5?

    Started by onfire, July 11th, 2007
    2 Pages
    1 2
    • Replies: 18
    • Views: 8,293
    August 17th, 2009 Go to last post
  11. wideband 02 in closed loop

    Started by kostelacd69, December 10th, 2009
    2 Pages
    1 2
    • Replies: 18
    • Views: 12,621
    October 7th, 2010 Go to last post
  12. COS3 bootblock error 12212156

    Started by bigblock69, July 21st, 2013
    2 Pages
    1 2
    • Replies: 18
    • Views: 11,549
    February 6th, 2014 Go to last post
  13. Help me select a COS

    Started by Hambone, January 29th, 2014
    2 Pages
    1 2
    • Replies: 18
    • Views: 10,768
    February 6th, 2014 Go to last post
  14. Since GM tuning is ending...

    Started by LSxPwrdZ, January 24th, 2019
    2 Pages
    1 2
    • Replies: 18
    • Views: 16,577
    January 26th, 2020 Go to last post
  15. I got it... Opps I aint got it...

    Started by MN C5, December 17th, 2005
    2 Pages
    1 2
    • Replies: 17
    • Views: 11,865
    December 28th, 2005 Go to last post
  16. AutoVE not working - SOS!

    Started by jamesbond2509, October 4th, 2006
    2 Pages
    1 2
    • Replies: 17
    • Views: 7,764
    October 8th, 2006 Go to last post
  17. Custom os tuning questions

    Started by cyipher, May 7th, 2013
    2 Pages
    1 2
    • Replies: 17
    • Views: 9,782
    May 9th, 2013 Go to last post
  18. COS5 Turbo Questions

    Started by ferocity02, May 31st, 2013
    2 Pages
    1 2
    • Replies: 17
    • Views: 9,649
    June 7th, 2013 Go to last post
  19. Lean Cruise with COS5?

    Started by ferocity02, June 13th, 2013
    2 Pages
    1 2
    • Replies: 17
    • Views: 10,376
    August 2nd, 2014 Go to last post

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