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Forum: HP EFI

HP EFI Tuning & Tech

  1. Sticky Thread Sticky: HP Potential RPM Input Problem

    Started by Doug F, 10-12-2010 04:57 PM
    • Replies: 0
    • Views: 20,388
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 21,337
    07-12-2010, 04:14 PM Go to last post
  1. All sensors read zero.

    Started by dynosore, 05-09-2020 06:05 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 1,068
    05-11-2020, 05:11 AM Go to last post
  2. Holley HP internal ECU datalogger name issue.

    Started by alan91z28, 05-10-2020 05:40 PM
    • Replies: 2
    • Views: 459
    05-10-2020, 07:13 PM Go to last post
  3. Progressive Relay

    Started by Ten5camaro, 05-10-2020 05:10 PM
    • Replies: 1
    • Views: 369
    05-10-2020, 05:31 PM Go to last post
  4. Knock Sensor

    Started by 81 TransAm, 02-05-2017 05:07 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 2,780
    05-09-2020, 06:31 PM Go to last post
  5. '93 Fox body 4 cylinder car.

    Started by CHOPSdaGOAT, 05-06-2020 08:05 PM
    • Replies: 4
    • Views: 573
    05-08-2020, 12:11 PM Go to last post
    • Replies: 3
    • Views: 515
    05-08-2020, 09:03 AM Go to last post
  6. Cool Custom cold start tables Coolant Temp vs Air Temp.

    Started by Qwktrip, 05-03-2020 02:42 AM
    2 Pages
    1 2
    • Replies: 11
    • Views: 1,341
    05-07-2020, 12:45 PM Go to last post
  7. V5 Build 171 Update Question

    Started by 1985351, 05-06-2020 08:42 PM
    • Replies: 4
    • Views: 719
    05-07-2020, 05:37 AM Go to last post
  8. First start AFR & fuel pressure questions.

    Started by Matt330LS, 05-05-2020 06:06 PM
    • Replies: 8
    • Views: 763
    05-06-2020, 01:31 PM Go to last post
  9. Big Coil Kit Ground

    Started by choirboy415, 05-06-2020 05:42 AM
    • Replies: 3
    • Views: 420
    05-06-2020, 06:08 AM Go to last post
    • Replies: 4
    • Views: 753
    05-04-2020, 09:10 PM Go to last post
    • Replies: 4
    • Views: 494
    05-04-2020, 07:57 AM Go to last post
  10. Holley HP Wiring Harness Quesion

    Started by rjjeter, 05-03-2020 06:03 PM
    • Replies: 1
    • Views: 495
    05-03-2020, 06:39 PM Go to last post
  11. Sensor Offset

    Started by George F, 05-01-2020 07:47 PM
    • Replies: 4
    • Views: 498
    05-02-2020, 10:20 AM Go to last post
  12. Holley 522-128 injectors install question.

    Started by wywindsor, 04-30-2020 04:43 PM
    • Replies: 2
    • Views: 417
    04-30-2020, 06:11 PM Go to last post
  13. Fuel Pressure Drop and Engine Miss

    Started by jb427, 04-28-2020 09:21 PM
    • Replies: 7
    • Views: 716
    04-30-2020, 04:19 PM Go to last post
    • Replies: 7
    • Views: 753
    04-27-2020, 02:48 PM Go to last post
  14. Question on Fuel Pressure Regulator for my HP EFI setup.

    Started by cadillac531, 04-24-2020 01:58 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,086
    04-27-2020, 11:31 AM Go to last post
  15. Changing Fuel Injectors

    Started by George F, 04-25-2020 07:23 AM
    • Replies: 3
    • Views: 526
    04-25-2020, 08:44 AM Go to last post
  16. Do injectors discharge fuel?

    Started by kingtramp, 04-23-2020 07:08 PM
    • Replies: 1
    • Views: 363
    04-23-2020, 11:01 PM Go to last post
    • Replies: 3
    • Views: 496
    04-23-2020, 02:20 PM Go to last post
  17. USB Port Issue

    Started by NovaLs, 04-20-2020 07:52 PM
    • Replies: 2
    • Views: 489
    04-21-2020, 01:57 PM Go to last post
  18. Upgrading EFI Software/ECU Firmware

    Started by Ten5camaro, 04-19-2020 10:50 PM
    • Replies: 3
    • Views: 533
    04-20-2020, 09:32 AM Go to last post
  19. Boost (MAP) not reading after firmware update.

    Started by turboc10, 04-18-2020 05:06 PM
    • Replies: 9
    • Views: 834
    04-19-2020, 08:04 AM Go to last post
  20. CL Comp chasing tail wildly.

    Started by SixFour, 04-07-2020 08:05 PM
    • Replies: 4
    • Views: 811
    04-15-2020, 06:42 PM Go to last post

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