Page 1 of 110 1231151101 ... LastLast
Threads 1 to 25 of 2736

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: 22,951
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 24,014
    07-12-2010, 04:14 PM Go to last post
  1. Balancer options for crank trigger.

    Started by Waterlife, 05-12-2021 05:36 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 365
    05-15-2021, 03:04 AM Go to last post
  2. Battery Voltage at Idle?

    Started by Jart, 05-13-2021 07:31 PM
    • Replies: 8
    • Views: 183
    05-14-2021, 07:22 AM Go to last post
  3. Still no driveshaft sensor.

    Started by turbofreak, 03-03-2021 07:41 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 30
    • Views: 2,404
    05-13-2021, 06:57 PM Go to last post
  4. Dual IAC

    Started by James Taylor, 04-01-2017 02:19 AM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 7,150
    05-13-2021, 03:34 PM Go to last post
  5. Input Monitoring

    Started by masheim, 04-24-2021 07:53 PM
    • Replies: 3
    • Views: 386
    05-11-2021, 10:48 PM Go to last post
  6. HP ECU - No +5V Sensor Out

    Started by mip713, 06-08-2016 03:14 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,036
    05-11-2021, 05:03 PM Go to last post
  7. My HP will not communcate with my laptop.

    Started by Daz4Life, 05-09-2021 03:35 AM
    • Replies: 4
    • Views: 215
    05-11-2021, 03:21 PM Go to last post
    • Replies: 3
    • Views: 212
    05-11-2021, 01:22 PM Go to last post
  8. Questions for 550-601 Installation

    Started by Waterlife, 05-04-2021 12:48 AM
    • Replies: 9
    • Views: 490
    05-11-2021, 05:00 AM Go to last post
  9. Holley IAC Motor

    Started by Waterlife, 05-10-2021 04:17 PM
    • Replies: 3
    • Views: 139
    05-10-2021, 11:06 PM Go to last post
  10. Commander ECU with Terminator TB

    Started by tmoats, 05-03-2021 10:20 AM
    • Replies: 3
    • Views: 209
    05-05-2021, 02:04 PM Go to last post
  11. HP EFI worked fine last week, no spark this week.

    Started by 427bbc, 05-03-2021 02:01 AM
    • Replies: 4
    • Views: 258
    05-04-2021, 09:07 AM Go to last post
  12. IAC Position Issues

    Started by 90notch3, 05-02-2021 07:56 PM
    • Replies: 4
    • Views: 337
    05-03-2021, 03:45 PM Go to last post
  13. HP Wideband O2 Reading Rich?

    Started by LEJ1969, 05-03-2021 09:57 AM
    2x4, hp ecu, o2 sensor, terminator
    • Replies: 0
    • Views: 135
    05-03-2021, 09:57 AM Go to last post
  14. External 2-Step (via ignition box).

    Started by Cougar5.0, 04-27-2021 10:52 AM
    • Replies: 9
    • Views: 431
    05-02-2021, 08:10 PM Go to last post
  15. Seasonal Idle Fine Tuning

    Started by Qwktrip, 02-28-2020 01:47 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 64
    • Views: 9,851
    05-01-2021, 06:58 PM Go to last post
  16. ECU datalogs being split up.

    Started by steve392, 05-01-2021 10:08 AM
    • Replies: 0
    • Views: 153
    05-01-2021, 10:08 AM Go to last post
  17. Broke My Laptop

    Started by mustang_al308, 04-30-2021 06:05 PM
    • Replies: 6
    • Views: 296
    05-01-2021, 09:12 AM Go to last post
  18. MAT Sensor

    Started by 416challenger@satx.rr.com, 04-28-2021 01:02 PM
    • Replies: 1
    • Views: 228
    04-28-2021, 02:27 PM Go to last post
  19. Hilborn TPS Sensor

    Started by AndyF, 04-20-2021 06:15 PM
    • Replies: 5
    • Views: 412
    04-27-2021, 08:40 AM Go to last post
  20. Communication Timeout

    Started by garymac72, 04-27-2015 01:17 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 6,095
    04-26-2021, 03:43 PM Go to last post
  21. Fuel Pump

    Started by tkrogel, 04-23-2021 12:55 PM
    • Replies: 4
    • Views: 378
    04-23-2021, 09:32 PM Go to last post
  22. Crankcase pressure/vacuum pump control.

    Started by INTMD8, 04-22-2021 08:43 PM
    • Replies: 1
    • Views: 317
    04-23-2021, 12:01 AM Go to last post
  23. Cam Sensor Issues

    Started by CrucialProspect, 04-10-2021 06:11 PM
    • Replies: 5
    • Views: 540
    04-22-2021, 08:29 PM Go to last post
  24. IAC Parked Position?

    Started by tthomp, 05-27-2017 10:15 AM
    • Replies: 6
    • Views: 3,569
    04-22-2021, 01:46 PM 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