Tuning Support: Making it Run

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rusEFI professional tuners

Last post by AndreyB « Mon Jan 09, 2023 7:03 pm
Replies: 13
by AndreyB » Thu Oct 21, 2021 1:35 am

Let's catalog all the professional tuners who are available for in-person or remote tuning of rusEFI.

Please post location/name/address.

13 Replies

53385 Views

Last post by AndreyB
Mon Jan 09, 2023 7:03 pm
Idle tuning, Part 1

Last post by mck1117 « Fri Apr 15, 2022 1:09 am
Replies: 11
by blundar » Mon May 17, 2021 12:35 am

It was asked to preserve some of this so... Let me preface this that idle tuning is probably one of the HARDEST parts about making an engine run...

11 Replies

56652 Views

Last post by mck1117
Fri Apr 15, 2022 1:09 am
Cranking / starting part 1

Last post by deffie83 « Wed Feb 23, 2022 7:53 pm
Replies: 3
by blundar » Mon May 17, 2021 3:33 am

Again... it was asked to preserve some slack discussion on getting appropriate settings for cranking and starting the engine. Much like idle, this...

3 Replies

40958 Views

Last post by deffie83
Wed Feb 23, 2022 7:53 pm
[help needed] Honda OBD1 Trigger Settings/Timing Drift Issue

Last post by AndreyB « Sat May 17, 2025 11:46 am
Replies: 7
by ZayTuned » Sun May 12, 2024 4:07 pm

Hello, I just got a uaefi setup recently and am having issues with timing drift as I increase rpm. The car is a 92 honda accord with an h22a engine....

7 Replies

12283 Views

Last post by AndreyB
Sat May 17, 2025 11:46 am
UAEFI + Kortometr Dash

Last post by Dron_Gus « Tue May 13, 2025 7:57 am
Replies: 1
by Philippov_khv » Mon May 12, 2025 11:09 pm

I am posting a solution for compatibility of UAEFI and the KORTOMETR display.
You just need to flash KORTOMERT with the attached firmware and set the...

1 Replies

6588 Views

Last post by Dron_Gus
Tue May 13, 2025 7:57 am
Suzuki M18A first model(wasted spark) trigger settings

Last post by Philippov_khv « Mon May 12, 2025 10:55 pm
Replies: 1
by Philippov_khv » Sat May 03, 2025 1:09 am

Hello everyone, the Suzuki M18A engine of the first modification (ignition system with a waste spark) is in operation.
I am posting the trigger...

1 Replies

8334 Views

Last post by Philippov_khv
Mon May 12, 2025 10:55 pm
m73 cuts at 3500

Last post by AndreyB « Sun Apr 20, 2025 2:15 am
Replies: 4
by Jhelgesen » Sat Apr 19, 2025 1:21 am

Been making huge progress on the m73 tune, running fairly well, been on the road for tests.

Issue is she drops throttle at 3500 rpm under load, logs...

4 Replies

10777 Views

Last post by AndreyB
Sun Apr 20, 2025 2:15 am
[help needed] Input from TPS seems good but Tuner Studio Throttle Body gauge does not work properly

Last post by JustinVincentParker « Mon Apr 07, 2025 6:20 pm
Replies: 5
by JustinVincentParker » Thu Apr 03, 2025 8:37 pm

Greetings,

I had the TPS (Throttle Position Sensor) hooked up and working correctly in Tuner Studio before. It is not working correctly anymore, as...

5 Replies

9785 Views

Last post by JustinVincentParker
Mon Apr 07, 2025 6:20 pm
Alpha N and barometric correction / LPS22

Last post by chili023 « Thu Apr 03, 2025 10:03 am
Replies: 2
by chili023 » Thu Mar 13, 2025 3:57 pm

We are in the fine tune stages of our 125 2 stroke uaefi.
We have the LPS22H sensor installed and correctly placed. However no value is shown for...

2 Replies

11929 Views

Last post by chili023
Thu Apr 03, 2025 10:03 am
[help needed] Inconsistent signal to coil 1

Last post by AndreyB « Wed Apr 02, 2025 9:10 pm
Replies: 1
by V88N » Tue Apr 01, 2025 3:46 pm

Hi, I have the uaefi board installed on a two cylinder engine running two LS coils in wasted spark and I am having a problem where it sends an odd...

1 Replies

7094 Views

Last post by AndreyB
Wed Apr 02, 2025 9:10 pm
[info] uaEFI

Last post by AndreyB « Mon Mar 31, 2025 9:31 pm
Replies: 3
by alant » Mon Mar 31, 2025 12:58 am

Hello, doing bike EFI retrofit using uaEFI. Tried to use stock VR sensor (I added digital hall sensor to camshaft for phase). Stock trigger wheel is...

3 Replies

9151 Views

Last post by AndreyB
Mon Mar 31, 2025 9:31 pm
How to tune GDI HPFP

Last post by AndreyB « Wed Mar 05, 2025 12:18 pm
Replies: 2
by ssmith » Mon Feb 03, 2025 9:57 pm

I'm going to take a stab at writing some docs to get started with GDI/HPFP. Specifically this will be about getting a decent/stable high fuel...

2 Replies

9961 Views

Last post by AndreyB
Wed Mar 05, 2025 12:18 pm
[help needed] Volvo s60 t5 acc pedal vs two PPS

Last post by Cheatek « Tue Mar 04, 2025 9:36 pm

by Cheatek » Tue Mar 04, 2025 9:36 pm

Hi,

I want to run a Volvo B5234T3 engine on uaEfi for educational purposes. I got the engine and some of the accessories for free, so I don’t want...

0 Replies

10155 Views

Last post by Cheatek
Tue Mar 04, 2025 9:36 pm
Dwell vs rpm?

Last post by mpgmike « Sat Feb 01, 2025 5:16 pm
Replies: 3
by mk e » Wed Nov 27, 2024 4:21 pm

Can someone explain why the base dwell table is dwell V rpm table and the dwell v volt is a correction instead of the main and only table? I just...

3 Replies

12028 Views

Last post by mpgmike
Sat Feb 01, 2025 5:16 pm
[help needed] ETB questions uaefi aircooled vw

Last post by Travtech « Fri Jan 31, 2025 12:52 am
Replies: 1
by Travtech » Thu Jan 09, 2025 3:50 am

Hello first post on this forum. New to rusefi not new to engine management systems. Mostly used the megasquirt platform. Anyways I plan to use a...

1 Replies

7843 Views

Last post by Travtech
Fri Jan 31, 2025 12:52 am
what does snapshot mean on the downloaded bundles?

Last post by jasaircraft « Thu Jan 09, 2025 6:44 pm

by jasaircraft » Thu Jan 09, 2025 6:44 pm

Hello, confused as to what does the snapshot versus the non snapshot download bundles mean? which to use?
Also, i executed rusefi_console.exe and...

0 Replies

11674 Views

Last post by jasaircraft
Thu Jan 09, 2025 6:44 pm
[help needed] I want to use MicroRusEFI on my motorcycle

Last post by linx « Sun Dec 29, 2024 1:17 pm
Replies: 5
by linx » Wed Dec 25, 2024 8:12 am

But only the crankshaft sensor, without the camshaft sensor, I was able to run the engine using the waste spark ignition mode

Encountering a...

5 Replies

11108 Views

Last post by linx
Sun Dec 29, 2024 1:17 pm
VE & Ignition blend tables with RPM too low axis value

Last post by mk e « Tue Dec 10, 2024 5:32 pm
Replies: 2
by mk e » Tue Dec 10, 2024 4:13 pm

The VE and ignition blend table allows RPM as the blend parameter but have a max value limit of 1000 on the axis, so too low for most RPM based uses....

2 Replies

9859 Views

Last post by mk e
Tue Dec 10, 2024 5:32 pm
Charge Temperature Estimation

Last post by mk e « Tue Dec 03, 2024 2:07 pm
Replies: 10
by BeerMoneyMotorsports » Mon Dec 13, 2021 2:15 am

image.png

tCharge Settings

tCharge mode
- RPM + TPS

- Air Mass Interpolation

tCharge Increment Limit, deg/sec

tCharge Decrement Limit,...

10 Replies

24350 Views

Last post by mk e
Tue Dec 03, 2024 2:07 pm
Post start enrichment/warmup too short time/cycles

Last post by mk e « Mon Dec 02, 2024 4:28 pm
Replies: 6
by mk e » Tue Nov 26, 2024 10:54 pm

I'm looking through the warmup options and finding options that look like they will work. This is kind of a follow-on from my post on charge...

6 Replies

15794 Views

Last post by mk e
Mon Dec 02, 2024 4:28 pm
ETB cranking and warmup positions?

Last post by mk e « Thu Nov 28, 2024 4:38 pm
Replies: 2
by mk e » Wed Nov 27, 2024 11:03 pm

Am I missing where the ETB warmup and cranking settings are located?

2 Replies

10139 Views

Last post by mk e
Thu Nov 28, 2024 4:38 pm
Aux Linear 1-4?

Last post by mk e « Wed Nov 27, 2024 7:32 pm

by mk e » Wed Nov 27, 2024 7:32 pm

What are the Aux Linear 1-4 selections? I can't find a reference to them anywhere other than as a TS selection as a table axis

aux Linear 1-4.JPG

0 Replies

13711 Views

Last post by mk e
Wed Nov 27, 2024 7:32 pm
fixed dwell during cranking?

Last post by mk e « Wed Nov 27, 2024 5:22 pm

by mk e » Wed Nov 27, 2024 5:22 pm

What is the purpose of requiring a fixed dwell during cranking? It it to do what making the code stable or something like that?

My coils (GM D585)...

0 Replies

13290 Views

Last post by mk e
Wed Nov 27, 2024 5:22 pm
rusEFI table axis use, value outside axis range?

Last post by mk e « Wed Nov 27, 2024 3:28 pm

by mk e » Wed Nov 27, 2024 3:28 pm

What does rusEFI do if a value is outside the table axis range? If say rpm is 100 and the min axis value in the table is 300 does it use the 300rpm...

0 Replies

13487 Views

Last post by mk e
Wed Nov 27, 2024 3:28 pm
MAP sensor setup

Last post by mk e « Wed Nov 27, 2024 2:50 pm

by mk e » Wed Nov 27, 2024 2:50 pm

I'm not finding an explanation of the MAP setup parameters on the wiki or in the forum, but maybe I missed it?

what is mapExpAverageAlpha and value...

0 Replies

13306 Views

Last post by mk e
Wed Nov 27, 2024 2:50 pm

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