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Threads 2001 to 2020 of 4357

Forum: GM EFI Systems

TBI - TPI - MPFI - CFI - SFI

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  1. GM ECM - Bins - TunerPro Definition Files - Wiring Diagrams - Tuner Info!

    Each thread is by ECM number with Bins, definition files, wiring diagrams history and tuner information!

    Forum Actions:

    Forum Statistics:

    • Threads: 53
    • Posts: 272

    Last Post:

  1. Starts then stalls ......

    Started by Nasty-Z, 04-06-2013
    1 Attachment(s)
    • Replies: 4
    • Views: 6,150
    EagleMark
    04-06-2013 Go to last post

  2. Tuning $ee lt1 spark advance. Echo?

    Started by zoomo, 02-08-2015
    6 Attachment(s)
    • Replies: 4
    • Views: 6,141
    lionelhutz
    02-10-2015 Go to last post

  3. Lightbulb Too rich after cold start?

    Started by BigBanks78, 03-04-2017
    • Replies: 6
    • Views: 6,129
    Superbee
    03-09-2017 Go to last post

  4. Idle issues and lean surging on decel at highway spees

    Started by 95GMC, 04-23-2022
    3 Pages •
    1 2 3
    17 Attachment(s)
    • Replies: 40
    • Views: 6,128
    95GMC
    05-11-2022 Go to last post

  5. TPI Backwards Idle - Need Advice

    Started by 66 C10 383, 12-04-2013
    1 Attachment(s)
    • Replies: 5
    • Views: 6,126
    Hog
    12-06-2013 Go to last post

  6. max cruise timming

    Started by ony, 07-13-2016
    1 Attachment(s)
    • Replies: 7
    • Views: 6,116
    ony
    07-15-2016 Go to last post

  7. 16197427 ECU -- BJYL chip (which adx & xdf should I use)

    Started by MxRace75, 10-11-2014
    2 Attachment(s)
    • Replies: 5
    • Views: 6,114
    MxRace75
    10-15-2014 Go to last post

  8. lean cruise

    Started by bonnieclyde100, 05-27-2014
    • Replies: 4
    • Views: 6,113
    code-
    09-12-2014 Go to last post

  9. Hard start after engine is warm. Would appreaciate some help.

    Started by 76CJ5, 08-05-2015
    • Replies: 5
    • Views: 6,112
    ony
    08-08-2015 Go to last post

  10. Hate to ask, but I need clarification on ECM "Initial Advance" parameter.

    Started by damanx, 03-26-2013
    • Replies: 6
    • Views: 6,111
    RobertISaar
    03-26-2013 Go to last post

  11. $42 in 383 initial tune help

    Started by Fastmax32168, 04-29-2016
    • Replies: 7
    • Views: 6,110
    lionelhutz
    04-30-2016 Go to last post

  12. Rookie Questions & a short story.

    Started by MichaelW, 04-16-2014
    • Replies: 5
    • Views: 6,108
    MichaelW
    04-16-2014 Go to last post

  13. 4L60E part throttle shift points

    Started by JD1964, 09-05-2021
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 19
    • Views: 6,098
    yoheer
    09-08-2021 Go to last post

  14. Cruise 7427, openloop afr vs temp vs vac

    Started by typhoonss92, 06-23-2019
    • Replies: 1
    • Views: 6,097
    typhoonss92
    06-23-2019 Go to last post

  15. 454 tbi questions

    Started by TRICKy, 07-01-2016
    • Replies: 6
    • Views: 6,090
    dave w
    07-03-2016 Go to last post

  16. O2 circuit clarification

    Started by lakedrifter, 05-18-2016
    • Replies: 8
    • Views: 6,088
    lakedrifter
    05-22-2016 Go to last post

  17. ECM case grounding

    Started by Mastiff, 04-20-2013
    • Replies: 3
    • Views: 6,084
    Mastiff
    04-20-2013 Go to last post

  18. 7747 on a Ford 400 - running lean in open loop when cold

    Started by Dr_Grip, 03-06-2016
    1 Attachment(s)
    • Replies: 6
    • Views: 6,079
    Dr_Grip
    03-09-2016 Go to last post

  19. Can ethanol free gas cause a rich condition?

    Started by pro, 12-16-2017
    2 Attachment(s)
    • Replies: 8
    • Views: 6,075
    pro
    12-18-2017 Go to last post

  20. Modified Chevy Small Block - 1227730 with $8D - Cruise Control Issue

    Started by zaut, 09-25-2012
    • Replies: 6
    • Views: 6,073
    zaut
    09-26-2012 Go to last post
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