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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: 34,398
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 35,826
    07-12-2010, 04:14 PM Go to last post
  1. HP ECU - No +5V Sensor Out

    Started by mip713, 06-08-2016 03:14 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 8,907
    Yesterday, 07:45 PM Go to last post
  2. Cross-Ram Learn Table Issue

    Started by pvt-maximus, 08-03-2022 02:34 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 352
    08-05-2022, 10:29 AM Go to last post
  3. Chassis dynoed my car with my HP EFI.

    Started by Cudaben68, 07-30-2022 10:47 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 438
    08-03-2022, 03:58 AM Go to last post
  4. Slow RPM

    Started by 3DTim, 06-13-2022 09:37 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,259
    08-02-2022, 03:17 PM Go to last post
  5. Time out occurred reading RTC.

    Started by jmrl98, 12-04-2021 03:48 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 3,567
    08-01-2022, 05:52 PM Go to last post
  6. Idle Spark Control - What's the Trigger to Disengage?

    Started by 383_StealthRam, 07-16-2022 07:50 AM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 1,012
    07-31-2022, 10:47 AM Go to last post
    • Replies: 4
    • Views: 304
    07-29-2022, 04:55 AM Go to last post
  7. Big Issues with 454 BBC detonation with Holley HP.

    Started by Waterlife, 05-19-2022 12:13 AM
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 2,526
    07-28-2022, 08:12 PM Go to last post
  8. HP Output PWM- Options

    Started by Rdf1, 07-21-2022 01:07 PM
    • Replies: 0
    • Views: 229
    07-21-2022, 01:07 PM Go to last post
  9. Hot Start Issues

    Started by paddyrk, 07-20-2022 04:42 PM
    • Replies: 1
    • Views: 186
    07-20-2022, 05:17 PM Go to last post
  10. Slow Sample Rate

    Started by BuaAuto, 01-30-2021 07:36 PM
    • Replies: 3
    • Views: 4,185
    07-16-2022, 07:51 PM Go to last post
  11. Graphic Issues

    Started by BuaAuto, 05-25-2020 09:24 PM
    • Replies: 3
    • Views: 3,814
    07-16-2022, 07:46 PM Go to last post
  12. TPS RoC acting up. TPS wearing out again.

    Started by 383_StealthRam, 07-14-2022 06:37 PM
    • Replies: 2
    • Views: 251
    07-14-2022, 08:18 PM Go to last post
  13. GPS not working on Digital Dash.

    Started by George F, 06-14-2022 04:47 PM
    • Replies: 7
    • Views: 1,202
    07-14-2022, 07:47 PM Go to last post
  14. LSX 6.0L twin turbo tuning questions.

    Started by Kanadian_Jay, 07-11-2022 12:11 AM
    • Replies: 2
    • Views: 451
    07-11-2022, 01:40 PM Go to last post
  15. HP EFI suddenly dies with load or high RPM.

    Started by CL4Ns, 06-29-2022 04:13 PM
    • Replies: 9
    • Views: 1,186
    07-09-2022, 12:20 PM Go to last post
  16. Holley Injectors 522-488: 48 lb/hr @ 43 PSI

    Started by 383_StealthRam, 07-07-2022 02:08 PM
    • Replies: 3
    • Views: 573
    07-07-2022, 05:46 PM Go to last post
    • Replies: 7
    • Views: 1,703
    07-06-2022, 11:35 AM Go to last post
  17. SBF Timing Issues

    Started by Joeymust92, 06-27-2022 09:29 AM
    • Replies: 7
    • Views: 1,069
    06-29-2022, 08:51 PM Go to last post
  18. Pro Dash odometer don't work with ECU Input.

    Started by Robs455, 05-28-2022 02:18 PM
    • Replies: 2
    • Views: 632
    06-19-2022, 01:07 AM Go to last post
  19. Bad Move

    Started by 3DTim, 06-16-2022 04:21 PM
    • Replies: 8
    • Views: 1,039
    06-17-2022, 08:18 PM Go to last post
  20. HP ECU powered with relay.

    Started by SikPony12, 06-15-2022 09:24 AM
    • Replies: 5
    • Views: 833
    06-15-2022, 02:37 PM Go to last post
  21. New turbo startup, then dies on Ramp Down.

    Started by paddyrk, 06-13-2022 06:02 PM
    • Replies: 3
    • Views: 727
    06-15-2022, 11:30 AM Go to last post
  22. Ignition Issue

    Started by Larry R, 04-28-2022 04:25 PM
    • Replies: 4
    • Views: 1,202
    06-13-2022, 10:38 PM Go to last post
  23. Possible dead coil?

    Started by Paul P, 05-30-2022 08:47 PM
    • Replies: 4
    • Views: 1,054
    06-13-2022, 12:51 AM Go to last post

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