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You and your build
Your chance to introduce yourself and your vehicle
Topics: 707

707 Topics

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Last post Re: Has anyone used these on …
by AndreyB View the latest post
Mon Jan 12, 2026 2:26 pm
Universal Boards
From Frankenstein to Proteus and everything in between
Topics: 61

61 Topics

641 Posts

Last post Re: Uaefi tachometer setup ex…
by Wombat View the latest post
Sun Jan 11, 2026 3:48 am
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: 133

133 Topics

960 Posts

Last post Re: Electronic Throttle Body …
by RGr View the latest post
Sun Dec 14, 2025 9:43 pm

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Last post

rusEFI wideband f0 modules do not work

Last post by Dron_Gus « Thu Mar 28, 2024 8:30 pm
Replies: 6
by me124 » Sun Mar 17, 2024 4:00 pm

Hi everybody,

I'm struggling with getting my rusEFI wideband modules to work.
I have 10 of them assembled.

The problem is:
Lambda is at 1.010 in...

6 Replies

15524 Views

Last post by Dron_Gus
Thu Mar 28, 2024 8:30 pm
ETB Bias curve tunning

Last post by AndreyB « Sun Mar 10, 2024 4:26 pm
Replies: 1
by dynfer » Sun Mar 10, 2024 4:25 pm

Hello,

I would like to know how to tune the ETB bias curve.

From what I thing would work would be to set the controller into open-loop mode and set...

1 Replies

5927 Views

Last post by AndreyB
Sun Mar 10, 2024 4:26 pm
Flexfuel Temp problem

Last post by AndreyB « Sun Mar 03, 2024 11:39 pm
Replies: 1
by zed65 » Sun Mar 03, 2024 8:11 pm

I'm having some trouble with my flexfuel sensor.
It reads the etanol content just fine but the temperature gives me headache.

The signal from the...

1 Replies

5674 Views

Last post by AndreyB
Sun Mar 03, 2024 11:39 pm
cannot get Knock control working

Last post by AndreyB « Sun Feb 25, 2024 3:18 pm
Replies: 3
by Chybber » Sun Feb 25, 2024 2:03 pm

Hi

I can't seem to get the knock control to retard the timing at all no matter what I put in Max knock retard :/
I do get the ecu to recognize...

3 Replies

7931 Views

Last post by AndreyB
Sun Feb 25, 2024 3:18 pm
Wideband LSU 4.9

Last post by AndreyB « Sat Feb 24, 2024 8:48 pm
Replies: 1
by Renegade » Sat Feb 24, 2024 2:28 pm

HI, I wired the Bosch LSU 4.9 sensor into the uaEFI board need help on the setup process please.

Thanks.

1 Replies

5685 Views

Last post by AndreyB
Sat Feb 24, 2024 8:48 pm
12-3 Crank sync issues; Suzuki Bandit 1200

Last post by tmbryhn « Wed Feb 21, 2024 7:38 pm
Replies: 11
by tmbryhn » Mon Feb 12, 2024 10:42 am

I'm involved in a project where we're struggling to get proper RPM sync.

We're using custom hardware running Discovery F407 firmware and MAX9926 VR...

11 Replies

14914 Views

Last post by tmbryhn
Wed Feb 21, 2024 7:38 pm
Can the uaEFI control a LSU 4.2 wideband sensor?

Last post by trent4 « Fri Feb 16, 2024 10:42 am
Replies: 6
by trent4 » Wed Feb 14, 2024 4:13 am

I see that it has an onboard LSU 4.9 wideband controller. Can this same controller control an LSU 4.2 sensor?

Thanks!

6 Replies

9713 Views

Last post by trent4
Fri Feb 16, 2024 10:42 am
Maximum VE vs Logged VE

Last post by AndreyB « Wed Feb 14, 2024 9:56 pm
Replies: 7
by i_s_64 » Tue Feb 13, 2024 11:08 pm

Hello,

I'm building out a fuel map on a car, and finding that my VE ranges from 50 in idle (as expected) and as high as 150 in high RPM, high boost...

7 Replies

13854 Views

Last post by AndreyB
Wed Feb 14, 2024 9:56 pm
LUA code and EGT makes ECU to hang

Last post by AndreyB « Tue Jan 30, 2024 10:42 pm
Replies: 7
by zed65 » Sun Jan 28, 2024 12:33 pm

I'm having a weird problem with some LUA code and SPI EGT that makes the processor to hang.
Here is a guide to replicate my problem.

1. Flash the...

7 Replies

11748 Views

Last post by AndreyB
Tue Jan 30, 2024 10:42 pm
Here is how I transfer tune between versions

Last post by AndreyB « Sat Jan 27, 2024 8:10 pm
Replies: 1
by zed65 » Sat Jan 27, 2024 7:50 pm

When I want to update the ecu firmware I do as follow:

Start STM32CubeProgrammer and put the ECU in boot-mode and connect.
Hit the erase all...

1 Replies

4004 Views

Last post by AndreyB
Sat Jan 27, 2024 8:10 pm
Max RPM with MAX9926 and 60-2 Triggerwheel? Outputvoltage VR-Sensor?

Last post by Thomas18TE « Sat Jan 13, 2024 4:25 pm
Replies: 8
by Thomas18TE » Fri Jan 12, 2024 4:47 pm

I soldered together this MAX9926 circuit.

Then I added a sine wave to it using the signal generator. From a signal voltage of around 70mVpp, the...

8 Replies

40889 Views

Last post by Thomas18TE
Sat Jan 13, 2024 4:25 pm
How to tune MAP angle and window?

Last post by dynfer « Fri Jan 05, 2024 2:18 am
Replies: 2
by jevgienij » Thu Jan 04, 2024 9:35 pm

log.png

I would like to smooth out MAP readings especially above 6200 RPM here. I guess tuning MAP angle and window is the way but how to begin?

2 Replies

17834 Views

Last post by dynfer
Fri Jan 05, 2024 2:18 am
Two spark plugs per cylinder capability?

Last post by AndreyB « Wed Jan 03, 2024 10:02 pm
Replies: 5
by Fantomiaso » Wed Jan 03, 2024 8:10 pm

Hi all. Decided to use rusEFI as ignition cintrol unit for my ancient 2-cylinder boxer. I want to install additional spark plug in each cylinder and...

5 Replies

31218 Views

Last post by AndreyB
Wed Jan 03, 2024 10:02 pm
Incorrect calculation of injector duty cycle in batch mode

Last post by GPgarage « Fri Dec 08, 2023 9:44 pm
Replies: 12
by GPgarage » Tue Dec 05, 2023 5:51 am

Hello, it is a pleasure for me to introduce myself, I am Gianluca from GP garage mechatronic, I have started playing with a rusefi pre-assembled...

12 Replies

38451 Views

Last post by GPgarage
Fri Dec 08, 2023 9:44 pm
Injection trigger failure

Last post by AndreyB « Wed Dec 06, 2023 2:21 pm
Replies: 1
by StoneFastMercs » Wed Dec 06, 2023 7:43 am

hi guys

having an issue with my number 4 injector, running on the mirco ecu. pin 42 isn't sending signal to the injector to spray. Is there...

1 Replies

12827 Views

Last post by AndreyB
Wed Dec 06, 2023 2:21 pm
Update ECU definition from internet seems to be broken at least on Windows

Last post by NormanAlphaspeed « Thu Nov 30, 2023 12:34 am
Replies: 12
by AndreyB » Thu Aug 24, 2023 2:46 am

TS no longer downloads fresh .ini files automatically for me, can someone who uses Windows confirm or deny having same issue?

I believe this is...

12 Replies

55550 Views

Last post by NormanAlphaspeed
Thu Nov 30, 2023 12:34 am
3a92 mirage compatibility?

Last post by NormanAlphaspeed « Thu Nov 30, 2023 12:33 am
Replies: 1
by Cellison » Tue Sep 12, 2023 6:35 pm

Hello all, my name is Chuck I've been looking to go standalone on my mitsubishi mirage for a while and just found the forum. I wanted to introduce...

1 Replies

10444 Views

Last post by NormanAlphaspeed
Thu Nov 30, 2023 12:33 am
General output

Last post by AndreyB « Mon Nov 13, 2023 11:07 pm
Replies: 3
by zed65 » Sun Nov 05, 2023 8:22 pm

Hi, I want to control my exhaust cut-out valve.
I want it to open over 110kpa and close again 1 second after MAP goes under 100kpa.

Is there a way...

3 Replies

11472 Views

Last post by AndreyB
Mon Nov 13, 2023 11:07 pm
STM32F407VGT6 Bluetooth PC10/PC11 Problem

Last post by diegort5 « Mon Nov 13, 2023 7:06 pm
Replies: 10
by LemonX » Thu Jun 08, 2023 1:18 pm

Hello!

I have problems to run Bluetooth on PC10/PC11 pins.
It is working, but very slow and not stable. Runtime data rate is very low 5-10 sec....

10 Replies

19581 Views

Last post by diegort5
Mon Nov 13, 2023 7:06 pm
microrusefi 0.6.0 wrong battery voltage

Last post by diegort5 « Mon Oct 16, 2023 2:10 pm
Replies: 12
by diegort5 » Thu Oct 12, 2023 2:45 am

Hello, good afternoon everyone, I have a problem with my microRusEFI R6.0, when connecting 12v to the tunnerstudio the indicator gives 21.4v, which...

12 Replies

26225 Views

Last post by diegort5
Mon Oct 16, 2023 2:10 pm
Toyota 3 tooth trigger

Last post by pc1010 « Mon Oct 09, 2023 2:39 pm
Replies: 4
by pc1010 » Sun Oct 08, 2023 6:34 pm

Hi,

Starting a new thread as I have most of things covered apart from VVT
I have uploaded logs and tunes as requested below:

As you can see by...

4 Replies

10701 Views

Last post by pc1010
Mon Oct 09, 2023 2:39 pm
2JZ trigger

Last post by AndreyB « Sun Oct 08, 2023 3:33 pm
Replies: 11
by pc1010 » Fri Sep 29, 2023 6:19 pm

Hi Everyone.
I am new in the RusEFI, but so far I find it amazing with all of the features packed in STM32 :)
I am trying to set up a 2JZ trigger,...

11 Replies

24121 Views

Last post by AndreyB
Sun Oct 08, 2023 3:33 pm
Old Toyota TPS/PPS unsupported?

Last post by NormanAlphaspeed « Fri Oct 06, 2023 6:31 am
Replies: 5
by pc1010 » Tue Oct 03, 2023 6:22 pm

Hi everyone!
I'm trying to run 3rd gen Toyota 1G engine with RusEFI, and I am mostly successful, apart from small issues with trigger, and the...

5 Replies

14658 Views

Last post by NormanAlphaspeed
Fri Oct 06, 2023 6:31 am
I need some advises to begin with RusEFI on a KIA Rio

Last post by Evan.CDN « Thu Aug 24, 2023 9:40 pm
Replies: 2
by Evan.CDN » Thu Aug 24, 2023 8:34 pm

Hello everyone :) ,

I'm new with RusEFI project, and would like run a KIA Rio 3 1.25L CVVT with rusefi ECU to learn more about the project.

Some...

2 Replies

9398 Views

Last post by Evan.CDN
Thu Aug 24, 2023 9:40 pm
proteus cops wasted spark

Last post by AndreyB « Tue Aug 01, 2023 10:17 pm
Replies: 1
by subzero » Tue Aug 01, 2023 9:32 pm

can i use cop colis wasted spark how i need to setup

1 Replies

9849 Views

Last post by AndreyB
Tue Aug 01, 2023 10:17 pm

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