Page 1 of 110 1231151101 ... LastLast
Threads 1 to 25 of 2734

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: 22,791
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 23,848
    07-12-2010, 04:14 PM Go to last post
  1. Questions for 550-601 Installation

    Started by Waterlife, 05-04-2021 12:48 AM
    • Replies: 8
    • Views: 298
    Today, 12:03 AM Go to last post
  2. Holley IAC Motor

    Started by Waterlife, Yesterday 04:17 PM
    • Replies: 3
    • Views: 36
    Yesterday, 11:06 PM Go to last post
  3. My HP will not communcate with my laptop.

    Started by Daz4Life, 05-09-2021 03:35 AM
    • Replies: 3
    • Views: 84
    Yesterday, 08:39 PM Go to last post
    • Replies: 2
    • Views: 91
    Yesterday, 09:29 AM Go to last post
  4. Commander ECU with Terminator TB

    Started by tmoats, 05-03-2021 10:20 AM
    • Replies: 3
    • Views: 116
    05-05-2021, 02:04 PM Go to last post
  5. HP EFI worked fine last week, no spark this week.

    Started by 427bbc, 05-03-2021 02:01 AM
    • Replies: 4
    • Views: 173
    05-04-2021, 09:07 AM Go to last post
  6. Still no driveshaft sensor.

    Started by turbofreak, 03-03-2021 07:41 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 2,108
    05-03-2021, 09:51 PM Go to last post
  7. IAC Position Issues

    Started by 90notch3, 05-02-2021 07:56 PM
    • Replies: 4
    • Views: 183
    05-03-2021, 03:45 PM Go to last post
  8. HP Wideband O2 Reading Rich?

    Started by LEJ1969, 05-03-2021 09:57 AM
    2x4, hp ecu, o2 sensor, terminator
    • Replies: 0
    • Views: 85
    05-03-2021, 09:57 AM Go to last post
  9. External 2-Step (via ignition box).

    Started by Cougar5.0, 04-27-2021 10:52 AM
    • Replies: 9
    • Views: 302
    05-02-2021, 08:10 PM Go to last post
  10. Seasonal Idle Fine Tuning

    Started by Qwktrip, 02-28-2020 01:47 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 64
    • Views: 9,596
    05-01-2021, 06:58 PM Go to last post
  11. ECU datalogs being split up.

    Started by steve392, 05-01-2021 10:08 AM
    • Replies: 0
    • Views: 92
    05-01-2021, 10:08 AM Go to last post
  12. Broke My Laptop

    Started by mustang_al308, 04-30-2021 06:05 PM
    • Replies: 6
    • Views: 205
    05-01-2021, 09:12 AM Go to last post
  13. MAT Sensor

    Started by 416challenger@satx.rr.com, 04-28-2021 01:02 PM
    • Replies: 1
    • Views: 144
    04-28-2021, 02:27 PM Go to last post
  14. Hilborn TPS Sensor

    Started by AndyF, 04-20-2021 06:15 PM
    • Replies: 5
    • Views: 312
    04-27-2021, 08:40 AM Go to last post
  15. Communication Timeout

    Started by garymac72, 04-27-2015 01:17 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 5,963
    04-26-2021, 03:43 PM Go to last post
  16. Input Monitoring

    Started by masheim, 04-24-2021 07:53 PM
    • Replies: 2
    • Views: 257
    04-24-2021, 11:03 PM Go to last post
  17. Fuel Pump

    Started by tkrogel, 04-23-2021 12:55 PM
    • Replies: 4
    • Views: 293
    04-23-2021, 09:32 PM Go to last post
  18. Crankcase pressure/vacuum pump control.

    Started by INTMD8, 04-22-2021 08:43 PM
    • Replies: 1
    • Views: 240
    04-23-2021, 12:01 AM Go to last post
  19. Cam Sensor Issues

    Started by CrucialProspect, 04-10-2021 06:11 PM
    • Replies: 5
    • Views: 450
    04-22-2021, 08:29 PM Go to last post
  20. IAC Parked Position?

    Started by tthomp, 05-27-2017 10:15 AM
    • Replies: 6
    • Views: 3,462
    04-22-2021, 01:46 PM Go to last post
  21. 2-Step Wiring

    Started by Rick Ryan, 04-17-2021 08:09 PM
    • Replies: 2
    • Views: 330
    04-22-2021, 06:50 AM Go to last post
  22. Holley EFI Datalogger

    Started by masheim, 04-19-2021 10:45 PM
    • Replies: 2
    • Views: 292
    04-21-2021, 10:46 PM Go to last post
  23. HP ECU - No +5V Sensor Out

    Started by mip713, 06-08-2016 03:14 PM
    • Replies: 9
    • Views: 3,759
    04-21-2021, 07:27 AM Go to last post
  24. 440 Mopar Dual Sync distributor, no start.

    Started by Raymond73, 04-11-2021 10:19 AM
    • Replies: 8
    • Views: 505
    04-21-2021, 07:00 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