Tuning, troubleshooting and the nitty gritty of using rusEFI to make your engine run nicely!
rusEFI professional tuners
Replies: 15
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.
15 Replies
86367 Views
Last post by vwpat
Thu Dec 04, 2025 5:44 am
Idle tuning, Part 1
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
87933 Views
Last post by mck1117
Fri Apr 15, 2022 1:09 am
Cranking / starting part 1
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
65998 Views
Last post by deffie83
Wed Feb 23, 2022 7:53 pm
3 Replies
1179 Views
Last post by RGr
Sun Dec 14, 2025 9:43 pm
Flex fuel tuning?
Replies: 1
by
ihiryu »
Sat Oct 18, 2025 9:07 pm
Have a UAEFI, currently have it dialed in on E80. I have a flex fuel sensor installed, but when I go to anything lower, the car runs extremely rich....
1 Replies
3768 Views
Last post by benassi124
Sun Oct 19, 2025 12:55 am
Uaefi CAN talking to BRZ / FRS / GT86
Replies: 3
by
jasaircraft »
Fri Oct 03, 2025 11:49 am
Hello guys, i would like to make my uaefi talk via CAN bus to the car's dash which apparently gets all data via CAN.
Is it possible? Has anyone done...
3 Replies
6783 Views
Last post by AndreyB
Wed Oct 08, 2025 9:23 pm
3 Replies
45708 Views
Last post by jasaircraft
Sun Oct 05, 2025 12:31 am
[info] Double map
Replies: 3
by
Gianvito90 »
Tue Sep 30, 2025 6:19 pm
Hi guys, I noticed that compared to Megasquirt it doesn't have the dual map option activated by switch or hardware or anything else. Or am I wrong?...
3 Replies
9643 Views
Last post by AndreyB
Wed Oct 01, 2025 4:47 pm
input e switch
by
Gianvito90 »
Wed Oct 01, 2025 4:36 pm
Hi everyone, I wanted to know what the switches are in the ECU pinout. Are you referring to the map switches? How are they connected? Just to ground?...
0 Replies
5800 Views
Last post by Gianvito90
Wed Oct 01, 2025 4:36 pm
OBD1 Honda D15 No Spark
Replies: 12
by
rtmickelwait »
Tue Sep 30, 2025 3:28 pm
I am setting up a 1995 civic with a D15 b7 on UAEFI with the adapter. I am unable to get any spark, and I am using the popular vehicles Honda OBD1 in...
12 Replies
11178 Views
Last post by rtmickelwait
Wed Oct 01, 2025 4:23 pm
[info] Elettronic wastegate
by
Gianvito90 »
Tue Sep 30, 2025 6:15 pm
Good evening everyone, I'm starting to get passionate about this innovative ECU. The expert guys are doing a great job with the firmware and...
0 Replies
6395 Views
Last post by Gianvito90
Tue Sep 30, 2025 6:15 pm
2 Replies
32159 Views
Last post by tobsec
Wed Jul 16, 2025 9:08 am
Unable to get Volvo B23E to start
by
p0isonra1n »
Mon Jun 16, 2025 6:54 am
Hi,
I have been unable to get my Volvo B23E to start on UAEFI.
I have confirmed all the wiring to injectors and coils are correct. The timing is...
0 Replies
99850 Views
Last post by p0isonra1n
Mon Jun 16, 2025 6:54 am
7 Replies
38329 Views
Last post by AndreyB
Sat May 17, 2025 11:46 am
UAEFI + Kortometr Dash
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
27313 Views
Last post by Dron_Gus
Tue May 13, 2025 7:57 am
1 Replies
28578 Views
Last post by Philippov_khv
Mon May 12, 2025 10:55 pm
m73 cuts at 3500
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
33237 Views
Last post by AndreyB
Sun Apr 20, 2025 2:15 am
5 Replies
33277 Views
Last post by JustinVincentParker
Mon Apr 07, 2025 6:20 pm
2 Replies
33166 Views
Last post by chili023
Thu Apr 03, 2025 10:03 am
[help needed] Inconsistent signal to coil 1
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
27140 Views
Last post by AndreyB
Wed Apr 02, 2025 9:10 pm
[info] uaEFI
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
31067 Views
Last post by AndreyB
Mon Mar 31, 2025 9:31 pm
How to tune GDI HPFP
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
31533 Views
Last post by AndreyB
Wed Mar 05, 2025 12:18 pm
[help needed] Volvo s60 t5 acc pedal vs two PPS
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
45694 Views
Last post by Cheatek
Tue Mar 04, 2025 9:36 pm
Dwell vs rpm?
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
34321 Views
Last post by mpgmike
Sat Feb 01, 2025 5:16 pm
[help needed] ETB questions uaefi aircooled vw
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
28079 Views
Last post by Travtech
Fri Jan 31, 2025 12:52 am
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