Page 1 of 110 1231151101 ... LastLast
Threads 1 to 25 of 2733

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: 22,763
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 23,813
    07-12-2010, 04:14 PM Go to last post
  1. My HP will not communcate with my laptop.

    Started by Daz4Life, Today 03:35 AM
    • Replies: 2
    • Views: 49
    Today, 08:37 AM Go to last post
  2. Questions for 550-601 Installation

    Started by Waterlife, 05-04-2021 12:48 AM
    • Replies: 5
    • Views: 235
    05-05-2021, 10:28 PM Go to last post
  3. Commander ECU with Terminator TB

    Started by tmoats, 05-03-2021 10:20 AM
    • Replies: 3
    • Views: 105
    05-05-2021, 02:04 PM Go to last post
    • Replies: 0
    • Views: 44
    05-05-2021, 11:11 AM Go to last post
  4. HP EFI worked fine last week, no spark this week.

    Started by 427bbc, 05-03-2021 02:01 AM
    • Replies: 4
    • Views: 150
    05-04-2021, 09:07 AM Go to last post
  5. Still no driveshaft sensor.

    Started by turbofreak, 03-03-2021 07:41 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 2,067
    05-03-2021, 09:51 PM Go to last post
  6. IAC Position Issues

    Started by 90notch3, 05-02-2021 07:56 PM
    • Replies: 4
    • Views: 168
    05-03-2021, 03:45 PM Go to last post
  7. HP Wideband O2 Reading Rich?

    Started by LEJ1969, 05-03-2021 09:57 AM
    2x4, hp ecu, o2 sensor, terminator
    • Replies: 0
    • Views: 72
    05-03-2021, 09:57 AM Go to last post
  8. External 2-Step (via ignition box).

    Started by Cougar5.0, 04-27-2021 10:52 AM
    • Replies: 9
    • Views: 289
    05-02-2021, 08:10 PM Go to last post
  9. Seasonal Idle Fine Tuning

    Started by Qwktrip, 02-28-2020 01:47 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 64
    • Views: 9,562
    05-01-2021, 06:58 PM Go to last post
  10. ECU datalogs being split up.

    Started by steve392, 05-01-2021 10:08 AM
    • Replies: 0
    • Views: 81
    05-01-2021, 10:08 AM Go to last post
  11. Broke My Laptop

    Started by mustang_al308, 04-30-2021 06:05 PM
    • Replies: 6
    • Views: 190
    05-01-2021, 09:12 AM Go to last post
  12. MAT Sensor

    Started by 416challenger@satx.rr.com, 04-28-2021 01:02 PM
    • Replies: 1
    • Views: 134
    04-28-2021, 02:27 PM Go to last post
  13. Hilborn TPS Sensor

    Started by AndyF, 04-20-2021 06:15 PM
    • Replies: 5
    • Views: 305
    04-27-2021, 08:40 AM Go to last post
  14. Communication Timeout

    Started by garymac72, 04-27-2015 01:17 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 5,952
    04-26-2021, 03:43 PM Go to last post
  15. Input Monitoring

    Started by masheim, 04-24-2021 07:53 PM
    • Replies: 2
    • Views: 243
    04-24-2021, 11:03 PM Go to last post
  16. Fuel Pump

    Started by tkrogel, 04-23-2021 12:55 PM
    • Replies: 4
    • Views: 279
    04-23-2021, 09:32 PM Go to last post
  17. Crankcase pressure/vacuum pump control.

    Started by INTMD8, 04-22-2021 08:43 PM
    • Replies: 1
    • Views: 229
    04-23-2021, 12:01 AM Go to last post
  18. Cam Sensor Issues

    Started by CrucialProspect, 04-10-2021 06:11 PM
    • Replies: 5
    • Views: 430
    04-22-2021, 08:29 PM Go to last post
  19. IAC Parked Position?

    Started by tthomp, 05-27-2017 10:15 AM
    • Replies: 6
    • Views: 3,445
    04-22-2021, 01:46 PM Go to last post
  20. 2-Step Wiring

    Started by Rick Ryan, 04-17-2021 08:09 PM
    • Replies: 2
    • Views: 315
    04-22-2021, 06:50 AM Go to last post
  21. Holley EFI Datalogger

    Started by masheim, 04-19-2021 10:45 PM
    • Replies: 2
    • Views: 282
    04-21-2021, 10:46 PM Go to last post
  22. HP ECU - No +5V Sensor Out

    Started by mip713, 06-08-2016 03:14 PM
    • Replies: 9
    • Views: 3,749
    04-21-2021, 07:27 AM Go to last post
  23. 440 Mopar Dual Sync distributor, no start.

    Started by Raymond73, 04-11-2021 10:19 AM
    • Replies: 8
    • Views: 487
    04-21-2021, 07:00 AM Go to last post
  24. Idle after driving issues.

    Started by 90notch3, 04-19-2021 07:28 PM
    • Replies: 3
    • Views: 316
    04-21-2021, 06:33 AM Go to last post

Page 1 of 110 1231151101 ... LastLast

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
About us
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.
Join us