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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: 24,312
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 25,509
    07-12-2010, 04:14 PM Go to last post
  1. Won't stay in Closed Loop past idle.

    Started by Cerrillomb, 06-14-2021 11:10 PM
    • Replies: 4
    • Views: 125
    Yesterday, 11:49 PM Go to last post
  2. Car won't start, no RPM signal.

    Started by USN03GT, 04-27-2020 05:53 PM
    2 Pages
    1 2
    4.6l, wont start
    • Replies: 17
    • Views: 3,489
    Yesterday, 08:53 AM Go to last post
    • Replies: 2
    • Views: 72
    Yesterday, 04:23 AM Go to last post
  3. Injector Wiring Diagram

    Started by Ten Bears, 01-26-2021 04:50 PM
    • Replies: 5
    • Views: 1,741
    Yesterday, 12:52 AM Go to last post
  4. Suggestions For Filtering Out TPS Noise

    Started by S2H, 06-11-2014 09:53 AM
    • Replies: 3
    • Views: 3,151
    06-14-2021, 07:29 PM Go to last post
  5. 440 Mopar Dual Sync distributor, no start.

    Started by Raymond73, 04-11-2021 10:19 AM
    • Replies: 9
    • Views: 869
    06-14-2021, 05:53 PM Go to last post
  6. V5 freezing when Online.

    Started by 90notch3, 03-30-2020 03:00 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 4,171
    06-14-2021, 08:38 AM Go to last post
  7. Coil-Near-Plug Test Results, interesting!

    Started by Bill C, 06-11-2021 06:55 AM
    • Replies: 6
    • Views: 262
    06-13-2021, 12:10 PM Go to last post
  8. Gen 3 Hemi - No Start

    Started by karszone, 06-12-2021 07:52 PM
    • Replies: 0
    • Views: 89
    06-12-2021, 07:52 PM Go to last post
  9. Frustrating Intermittent Misfire

    Started by alan91z28, 06-10-2020 07:31 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 50
    • Views: 9,153
    06-12-2021, 06:28 AM Go to last post
  10. Sensors in play at startup (383 SBC/HSR).

    Started by 1992rs/ss, 06-10-2021 11:03 AM
    • Replies: 4
    • Views: 153
    06-11-2021, 10:19 AM Go to last post
  11. Random Intermittent Lean Spike

    Started by blk5pointO, 05-28-2021 06:56 PM
    • Replies: 3
    • Views: 413
    06-09-2021, 10:19 PM Go to last post
  12. My HP will not communcate with my laptop.

    Started by Daz4Life, 05-09-2021 03:35 AM
    • Replies: 6
    • Views: 979
    06-09-2021, 05:21 AM Go to last post
  13. From distant Italy.

    Started by key750, 06-08-2021 05:52 AM
    • Replies: 1
    • Views: 146
    06-08-2021, 09:26 PM Go to last post
  14. HP Inputs & Outputs

    Started by madmax1974, 06-08-2021 05:19 PM
    • Replies: 0
    • Views: 144
    06-08-2021, 05:19 PM Go to last post
  15. 3.5" Touchscreen

    Started by Bill C, 06-08-2021 02:22 PM
    • Replies: 1
    • Views: 139
    06-08-2021, 03:57 PM Go to last post
  16. Dual Sync distributor with slip collar?

    Started by yelcamino, 06-07-2021 05:09 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 309
    06-08-2021, 07:49 AM Go to last post
  17. Back again with more beginner help.

    Started by 79Firebirddave, 06-07-2021 03:44 PM
    • Replies: 4
    • Views: 201
    06-07-2021, 10:27 PM Go to last post
    • Replies: 1
    • Views: 396
    06-07-2021, 11:20 AM Go to last post
  18. Ignition Table Tuning

    Started by roytveit, 05-26-2013 12:55 PM
    • Replies: 7
    • Views: 7,930
    06-03-2021, 02:15 PM Go to last post
  19. TPI Stealth Ram Wiring Harness

    Started by evilokc, 05-28-2021 11:13 PM
    • Replies: 3
    • Views: 539
    06-01-2021, 03:15 AM Go to last post
  20. Balancer options for crank trigger.

    Started by Waterlife, 05-12-2021 05:36 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,796
    05-29-2021, 04:31 PM Go to last post
  21. Questions for 550-601 Installation

    Started by Waterlife, 05-04-2021 12:48 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,482
    05-29-2021, 04:30 PM Go to last post
  22. Pro Dash Wiring

    Started by jb427, 05-26-2021 06:16 PM
    • Replies: 0
    • Views: 474
    05-26-2021, 06:16 PM Go to last post
  23. HP Wideband O2 Reading Rich?

    Started by LEJ1969, 05-03-2021 09:57 AM
    2x4, hp ecu, o2 sensor, terminator
    • Replies: 2
    • Views: 812
    05-25-2021, 04:01 PM Go to last post

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