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Forum: GM EFI Systems

TBI - TPI - MPFI - CFI - SFI

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

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    Forum Statistics:

    • Threads: 53
    • Posts: 268
    • Replies: 0
    • Views: 27,106
    03-03-2011 Go to last post
  1. 91 454 TBI

    Started by Yenko427, 1 Day Ago
    • Replies: 4
    • Views: 63
    2 Hours Ago Go to last post
  2. An Idiot Learns to Tune, Part 2

    Started by spfautsch, 2 Weeks Ago
    2 Pages
    1 2
    • Replies: 25
    • Views: 940
    4 Hours Ago Go to last post
  3. TBI with High Idle in PARK

    Started by JJK10, 07-25-2019
    3 Pages
    1 2 3
    • Replies: 44
    • Views: 3,484
    18 Hours Ago Go to last post
  4. Read Codes While Running?

    Started by srgould41, 1 Day Ago
    • Replies: 4
    • Views: 90
    21 Hours Ago Go to last post
    • Replies: 5
    • Views: 124
    1 Day Ago Go to last post
  5. 94 Jimmy Help Spark

    Started by ralmo94, 3 Weeks Ago
    2 Pages
    1 2
    • Replies: 22
    • Views: 851
    3 Days Ago Go to last post
  6. Spark Advance Clarification

    Started by bgott, 4 Weeks Ago
    • Replies: 11
    • Views: 635
    4 Days Ago Go to last post
  7. 1997 F-Body ECM

    Started by Tom H, 01-14-2019
    16 Pages
    1 2 3 4 5 ... 16
    • Replies: 229
    • Views: 32,634
    6 Days Ago Go to last post
  8. Next worst idea - o290D2

    Started by doc_rock, 3 Weeks Ago
    • Replies: 8
    • Views: 275
    6 Days Ago Go to last post
  9. Ď96 Corvette Negative Fuel Trims. Help!

    Started by johnny_b, 2 Weeks Ago
    2 Pages
    1 2
    • Replies: 18
    • Views: 592
    1 Week Ago Go to last post
  10. Knock sensor and related parts

    Started by doc_rock, 05-30-2020
    2 Pages
    1 2
    • Replies: 25
    • Views: 2,078
    1 Week Ago Go to last post
  11. Wideband placement and brand

    Started by A95Y, 2 Weeks Ago
    • Replies: 11
    • Views: 439
    1 Week Ago Go to last post
  12. 1995 k1500 LS upgrade thoughts

    Started by Roadknee, 2 Weeks Ago
    • Replies: 6
    • Views: 241
    1 Week Ago Go to last post
  13. Inconsistent Injector PW at WOT?

    Started by 90Vette, 1 Week Ago
    • Replies: 6
    • Views: 262
    1 Week Ago Go to last post
  14. DIY LTCC or similar system for LT1s

    Started by Aroberson77, 09-08-2017
    47 Pages
    1 2 3 4 5 ... 47
    • Replies: 696
    • Views: 132,976
    1 Week Ago Go to last post
  15. Is Trimalyzer for SD tunes only

    Started by A95Y, 4 Weeks Ago
    3 Pages
    1 2 3
    • Replies: 39
    • Views: 1,817
    1 Week Ago Go to last post
  16. TunerPro RT

    Started by mewascom, 2 Weeks Ago
    • Replies: 4
    • Views: 261
    1 Week Ago Go to last post
  17. Open Loop BLM?????

    Started by ralmo94, 3 Weeks Ago
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 1,207
    1 Week Ago Go to last post
  18. LS Injector data question

    Started by johntorg, 2 Weeks Ago
    • Replies: 8
    • Views: 270
    1 Week Ago Go to last post

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