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You and your build
Your chance to introduce yourself and your vehicle
Topics: 696

696 Topics

15483 Posts

Last post Re: UAEFI and Nissan L28ET
by AndreyB View the latest post
Fri Jun 20, 2025 12:35 pm
Universal Boards
From Frankenstein to Proteus and everything in between
Topics: 58

58 Topics

630 Posts

Last post Re: Can bus based systems
by AndreyB View the latest post
Sat Jan 18, 2025 2:43 pm
Plug In Boards
This means Hellen
Topics: 20

20 Topics

213 Posts

Last post Re: 99 NB1 Miata Firmware Upd…
by Deerbonker View the latest post
Wed Oct 12, 2022 4:04 am
Tuning Support: Making it Run
Tuning, troubleshooting and the nitty gritty of using rusEFI to make your engine run nicely!
Topics: 125

125 Topics

923 Posts

Last post Unable to get Volvo B23E to s…
by p0isonra1n View the latest post
Mon Jun 16, 2025 6:54 am

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[README] rusEfi map: who is where? map in the first message

Last post by DarkFab « Wed May 21, 2025 3:39 pm
Replies: 111
by AndreyB » Mon Jan 09, 2017 4:18 am
1

2

3

4
Post here to be added or removed.
111 Replies

327292 Views

Last post by DarkFab
Wed May 21, 2025 3:39 pm
[info] Stuff for sale. Stuff you want.

Last post by AndreyB « Fri Feb 16, 2024 4:45 am
Replies: 9
by AndreyB » Sun Sep 05, 2021 2:35 pm

rusEFI LLC sells relevant stuff. Most of the goods are linked directly from

New category is plastic covers for breakout boards - three are already...

9 Replies

38482 Views

Last post by AndreyB
Fri Feb 16, 2024 4:45 am
rusEFI online

Last post by kb1gtt « Tue Sep 05, 2023 12:20 am
Replies: 19
by AndreyB » Fri May 08, 2020 4:42 am

is a way for us to share our tunes.

Some documentation at

HOWTO_upload_tune

rusEFI Commander is a hardware device based on Raspberry Pi 3 Model...

19 Replies

79727 Views

Last post by kb1gtt
Tue Sep 05, 2023 12:20 am
[README] Setting up the board with pre-compiled binaries

Last post by AndreyB « Thu Apr 25, 2019 11:58 am
Replies: 58
by AndreyB » Fri Nov 15, 2013 5:31 pm
1

2
There were no releases yet - all the changes to the source code are automatically compiled and available at our build_server folder.

You would need...
58 Replies

312691 Views

Last post by AndreyB
Thu Apr 25, 2019 11:58 am
SD Logs 0 bytes

Last post by Kristian « Wed Jun 18, 2025 9:38 am

by Kristian » Wed Jun 18, 2025 9:38 am

Hey team,
I've noticed that my recent logs on the SD card are all 0 bytes, date is/ has been 1980 with the last dates 2022. could this be something...

0 Replies

93 Views

Last post by Kristian
Wed Jun 18, 2025 9:38 am
VE Table Blending for ITB: "Multiply MAP" and "SD --> a/n"?

Last post by Dominik335i « Mon Jun 09, 2025 2:46 pm

by Dominik335i » Mon Jun 09, 2025 2:46 pm

Hello everyone,

I have a few newbie questions and hope for your support: So far, I've converted several engines to Megasquirt and Speeduino. I'm...

0 Replies

4298 Views

Last post by Dominik335i
Mon Jun 09, 2025 2:46 pm
AEM X-Series Wideband CAN Integration Issues with Hellen 154 (Genesis Coupe)

Last post by GNS4 « Fri May 30, 2025 6:27 pm
Replies: 4
by GNS4 » Thu May 15, 2025 8:15 pm

Hello everyone!

I'm new to the rusEFI platform and recently got a Hellen 154 ECU for my Hyundai Genesis Coupe. The seller recommended that I use an...

4 Replies

4972 Views

Last post by GNS4
Fri May 30, 2025 6:27 pm
UAEFI HONDA OBD1 HELP

Last post by Y2K « Mon May 26, 2025 1:41 pm

by Y2K » Mon May 26, 2025 1:41 pm

Hello, I’m a new user of the rusEfi UAefI board. I’m using the default pinout for popular vehicles — specifically Honda OBD1 — but when I turn the...

0 Replies

1325 Views

Last post by Y2K
Mon May 26, 2025 1:41 pm
Jumper 2

Last post by WHENTHEFUNSTOPSSTOP « Sun May 25, 2025 8:54 am
Replies: 3
by WHENTHEFUNSTOPSSTOP » Sat May 24, 2025 2:40 pm

For MRE What terminals can i connect a resistor to on J2 for 12v?
I want to use an old tacho

“General purpose high side push output, 5V/12V...

3 Replies

1189 Views

Last post by WHENTHEFUNSTOPSSTOP
Sun May 25, 2025 8:54 am
Newbie - Questions to get going in the proper direction

Last post by jc10000rpm « Tue May 06, 2025 5:42 am
Replies: 3
by snomo » Fri Oct 18, 2024 8:10 pm

Hello,
Although I have been lurking in the forums, FB, and most recently discord, I just joined the forum today.

I have many years of automotive...

3 Replies

10649 Views

Last post by jc10000rpm
Tue May 06, 2025 5:42 am
Problem accessing SD card. Help!!

Last post by tmbryhn « Mon May 05, 2025 8:18 am
Replies: 11
by mx5newbie » Thu Mar 23, 2023 12:52 am

I’m running the Hellen64 on my 1990 Miata. Trying to access the SD logs using my laptop. When I plug-in the USB to my laptop the drive does not come...

11 Replies

29393 Views

Last post by tmbryhn
Mon May 05, 2025 8:18 am
Debug Mode not found

Last post by AndreyB « Sun Mar 30, 2025 1:14 pm
Replies: 1
by FFG_Garage » Sun Mar 30, 2025 9:01 am

Hello, I have a custom board with f407 discovery firmware, v20241001. I would like to tune the accel enrichment, and I see set debug mode to see......

1 Replies

7446 Views

Last post by AndreyB
Sun Mar 30, 2025 1:14 pm
BMW M50 3.2 Stroker

Last post by Bahmanson « Sun Mar 30, 2025 9:50 am

by Bahmanson » Sun Mar 30, 2025 9:50 am

Hi, allready i ordered Uaefi for my BMW e36 n/a 3.2 m50 stroker.
Will use electronic gas pedal, electronic throttle body, map sensor and air...

0 Replies

8312 Views

Last post by Bahmanson
Sun Mar 30, 2025 9:50 am
Weird Trigger error

Last post by Mclain « Fri Mar 28, 2025 2:43 pm
Replies: 1
by Mclain » Fri Mar 28, 2025 1:21 pm

Hey Guys,

Few years ago i started a fiat Twin Air project for a school and i regret it ever since. The engine will not run without proper solenoid...

1 Replies

4785 Views

Last post by Mclain
Fri Mar 28, 2025 2:43 pm
Weird Trigger error

Last post by Mclain « Fri Mar 28, 2025 1:16 pm

by Mclain » Fri Mar 28, 2025 1:16 pm

Hey Guys,

Few years ago i started a fiat Twin Air project for a school and i regret it ever since. The engine will not run without proper solenoid...

0 Replies

8327 Views

Last post by Mclain
Fri Mar 28, 2025 1:16 pm
4-Wire IAC

Last post by mpgmike « Sun Mar 23, 2025 9:12 pm
Replies: 1
by mpgmike » Sat Mar 01, 2025 9:39 pm

I have a UAEFI on a Jeep 4.0 liter-based '95 Grand Cherokee (ZJ), but with a high compression 4.6 stroker swap. I got the ignition control working....

1 Replies

7162 Views

Last post by mpgmike
Sun Mar 23, 2025 9:12 pm
I want to make microRusEFI. How do I choose the PCB files and BOM?

Last post by lizhifeng « Wed Mar 19, 2025 2:40 am

by lizhifeng » Wed Mar 19, 2025 2:40 am

Hello everyone, I'm new to RusEFI and I want to make a microRusEFI. I downloaded hw_microRusEFI, but I can't understand its contents. After...

0 Replies

8638 Views

Last post by lizhifeng
Wed Mar 19, 2025 2:40 am
Microrusefi and wasted spark dumb coil

Last post by Tommynwn « Mon Mar 10, 2025 9:53 pm
Replies: 16
by Milansvk » Tue Dec 17, 2024 8:28 am

Hi guys, i just bought microrusefi and i am trying to connect it somehow to my car. This is my first time i work with standalone ecu and i want to...

16 Replies

26201 Views

Last post by Tommynwn
Mon Mar 10, 2025 9:53 pm
Sharing Analog Sensors w/ECU

Last post by mpgmike « Thu Feb 27, 2025 1:55 am
Replies: 5
by mpgmike » Mon Sep 02, 2024 8:13 pm

Just acquired a UAEFI rev C. Been playing with TunerStudio and scouring the available info (including this forum). I want to control spark, fuel, and...

5 Replies

12815 Views

Last post by mpgmike
Thu Feb 27, 2025 1:55 am
Hi all. I think I wanna try this ECU.

Last post by Syscrush « Mon Feb 10, 2025 8:38 pm
Replies: 2
by Syscrush » Fri Feb 07, 2025 9:50 pm

Good day, new friends.

I have a 1979 Honda CBX and hate 6 carburetor life. I have an ongoing project to replace the carbs with custom throttle...

2 Replies

7563 Views

Last post by Syscrush
Mon Feb 10, 2025 8:38 pm
Sack of ECUs with locked timing on 2jz-gte

Last post by zazzn « Wed Jan 22, 2025 9:06 am
Replies: 8
by gurov » Sat Mar 02, 2024 3:41 am

image.png

image.png

the setup is the same, ignition advance locked at 15 degrees.
iphone on a tripod, pointed at the intake cam sprocket....

8 Replies

21902 Views

Last post by zazzn
Wed Jan 22, 2025 9:06 am
Virtual stim and testing out the software.

Last post by zazzn « Wed Jan 22, 2025 6:55 am

by zazzn » Wed Jan 22, 2025 6:55 am

Hello All,

I'm trying to install the drivers using windows 11 after downloading the bundle I launched the console like the instructions said

But...

0 Replies

10780 Views

Last post by zazzn
Wed Jan 22, 2025 6:55 am
Dwell time not stable during quick acceleration

Last post by vtfvaldir « Wed Jan 08, 2025 7:43 pm
Replies: 2
by vtfvaldir » Wed Jan 08, 2025 3:04 pm

Hi everyone,

I'm facing a problem with the dwell time in my setup, and I’m hoping someone can help me troubleshoot. Here are the details of my...

2 Replies

8011 Views

Last post by vtfvaldir
Wed Jan 08, 2025 7:43 pm
Uaefi alternator control question

Last post by michal3454 « Mon Jan 06, 2025 1:03 am
Replies: 2
by michal3454 » Sun Jan 05, 2025 9:20 pm

Hey, im working on wiring uaefi board to my car, but im limited with pwm outputs, i saw that injector output can be used as pwm to control tach with...

2 Replies

8195 Views

Last post by michal3454
Mon Jan 06, 2025 1:03 am
pins that do not exist, or do not work

Last post by AndreyB « Sat Dec 21, 2024 4:05 pm
Replies: 1
by mak_paint » Fri Dec 20, 2024 10:59 pm

hello everyone, my name is Alberto Midian, i'm new to the rusefi world, i want to thank you all in advance for your help and i would like to ask a...

1 Replies

8092 Views

Last post by AndreyB
Sat Dec 21, 2024 4:05 pm

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