rusefi.com

Long overdue update: This project is on hiatus. I managed to send the factory ECU to a shop in Japan that does repairs so the car is in working order again, but I do want to revisit getting this running on the Beat or one of my other cars.

Working on it, but a few things in life are making it a slow go. I should be able to get all the main signals sorted out.

Quick question: 12V power comes into two pins on the stock harness. Should I bridge those so that both are going into 12V on the rusEFI?

Okay, I have the connectors and the pigtails. 64-pin connector soldered onto the bare PCB. rusEFI console is working and I can connect to the demo computer. And now I have very little idea of what I'm doing. Where do I start with wiring the pigtail to the PCB? Should I map it so that the OEM pigtail...

No worries. I have a working salvage computer coming Wednesday so I'll get some running in during the last few weeks of the season, and then I'll have some kind of reference to compare the rusEFI to once everything is working on that side.

Got the answer on the wideband sensor from another thread ( https://rusefi.com/forum/viewtopic.php?f=2&t=1275 ). For anyone reading this, here's the quote from kb1gtt: O2 sensors are mostly emissions and long term adjustments and perhaps identification of lean operation caused by a fuel pump whi...

Breakout board and pigtail (for adapting the loaner Frankenso) ordered. Woot.

Possible dumb question: Can I just use the stock O2 sensor instead of a wideband sensor? (I assume the mention of needing that at some point is for making a fuel map, correct?)

To clarify yes, probably not a standard. But the car uses the A and D sections of the Honda and Mazda OBDI connectors of the era. So I should be able to use the 64-pin connector and just not connect to the middle (B) section. The engine runs off the stock ECU, just poorly and with a constant check l...

Hi there! I leared about rusEFI through Judge Phil at the 24 Hours of Lemons. Later, the computer on my 1991 Honda Beat gave up. (Then I made it worse with some terrible soldering.) So, instead of the big dollars for a new computer, I'm giving rusEFI a shot. Also, I work on the content team for Hage...