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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: 273

    Last Post:

  1. $42 hack questions

    Started by majacoby, 01-11-2013
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 18
    • Views: 13,294
    EagleMark
    01-17-2013 Go to last post

  2. Performance parameters for shift and TCC for 94 4l60e(stay in 3rd gear like a manual)

    Started by knute_gis, 07-28-2019
    2 Attachment(s)
    • Replies: 8
    • Views: 13,292
    knute_gis
    07-30-2019 Go to last post

  3. Early 4L80e with a later model ECM - how difficult?

    Started by Daveo91, 07-01-2019
    2 Attachment(s)
    • Replies: 7
    • Views: 13,291
    THEFERMANATOR
    07-11-2019 Go to last post

  4. My tbi conversion was a success!

    Started by Shawn1989, 04-21-2014
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 15
    • Views: 13,279
    derbydad276
    05-09-2014 Go to last post

  5. Pulled most of my hair out!! No clue where to start!

    Started by shaggytx, 11-04-2011
    2 Pages •
    1 2
    • Replies: 15
    • Views: 13,272
    EagleMark
    11-06-2011 Go to last post

  6. Fan temps and hysteresis in TunerCat

    Started by atlantadan, 06-08-2018
    • Replies: 2
    • Views: 13,254
    atlantadan
    06-09-2018 Go to last post

  7. Noob in need... 94 Fleetwood LT1 95 K2500 Truck Transplant

    Started by ReidB, 07-26-2016
    2 Pages •
    1 2
    • Replies: 15
    • Views: 13,251
    ReidB
    08-24-2016 Go to last post

  8. Help needed with TBI IAC minimum air setup.

    Started by Raksj04, 08-27-2016
    • Replies: 3
    • Views: 13,239
    Raksj04
    09-06-2016 Go to last post

  9. Extra fuel pump relay

    Started by 96lt4c4, 07-14-2012
    • Replies: 10
    • Views: 13,234
    EagleMark
    07-15-2012 Go to last post

  10. Injector Pulsewidth

    Started by gregs78cam, 07-10-2011
    1 Attachment(s)
    • Replies: 9
    • Views: 13,208
    gregs78cam
    07-13-2011 Go to last post

  11. Crank timing 7747

    Started by White Stripe, 10-23-2017
    • Replies: 1
    • Views: 13,187
    Six_Shooter
    10-23-2017 Go to last post

  12. TCC lock/unlock issues potentially solved.

    Started by damanx, 04-24-2016
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 17
    • Views: 13,181
    Xnke
    04-26-2016 Go to last post

  13. Bench testing my 1227747

    Started by cal1320, 10-12-2018
    • Replies: 0
    • Views: 13,160
    cal1320
    10-12-2018 Go to last post

  14. Running poorly/misfiring, code 33

    Started by JeepsAndGuns, 07-17-2023
    5 Pages •
    1 2 3 4 5
    4 Attachment(s)
    • Replies: 71
    • Views: 13,125
    mecanicus
    3 Weeks Ago Go to last post

  15. Transmission tuning...

    Started by Six_Shooter, 04-07-2012
    2 Attachment(s)
    • Replies: 12
    • Views: 13,109
    pavement pounder
    10-05-2013 Go to last post

  16. how much is too much

    Started by droptopstng, 02-09-2012
    2 Pages •
    1 2
    • Replies: 16
    • Views: 13,104
    droptopstng
    02-20-2012 Go to last post

  17. ECM1 burned... causes?

    Started by Xenon, 04-17-2012
    • Replies: 4
    • Views: 13,101
    Xenon
    04-18-2012 Go to last post

  18. Code 43 Knock Sensor Circuit Failure Issues

    Started by Daveo91, 08-05-2021
    4 Pages •
    1 2 3 4
    5 Attachment(s)
    • Replies: 45
    • Views: 13,069
    Daveo91
    10-09-2021 Go to last post

  19. Shift table adjustment???

    Started by C2500, 04-28-2018
    2 Pages •
    1 2
    13 Attachment(s)
    • Replies: 23
    • Views: 13,061
    Fast355
    05-05-2018 Go to last post

  20. ECM flash for 383 stroker

    Started by LVJJJ, 02-10-2020
    • Replies: 6
    • Views: 13,057
    JMcD
    02-22-2020 Go to last post
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