Ultra Affordable EFI for Honda OBD1¶
🔴 Community support ONLY 🔴 Support Statement 🔴 Facebook group 🔴 Discord 🔴
Available at the 💲rusEFI store💲
firmware¶
Nicer single board OBD1 Beta Snapshot
Sandwich dual PCB adapter board use uaEFI firmware
Technical Details¶
See uaEFI
Features¶
- reads OEM distributor just fine (single tooth and 24 tooth)
- on-board LSU 4.9 controller exposed on extra ECU plug
- flex fuel sensor input exposed on extra ECU plug
- option to use coil on plugs see J4
- option to convert to hall position sensors see J5
- option to upgrade to electronic throttle body J1+J2
- designed to fit OBD2 enclosure - these are cheaper, also we have auxiliary section on the header so we need wider opening
Issue Tracker¶
open source firmware see https://github.com/rusefi/fw-uaefi-Honda-OBD1/issues
Micro Fit¶
- harness side 2x3 0430250600
- harness side 2x4 0430250808
- harness side terminal 0430300001
- PCB side 2x3 0430450612
OEM Cases¶
37820-p2e OBD2 case looks very similar to P28 OBD1 case
FAQ¶
Q: how to set trigger?
A: you HAVE to trust "popular vehicles>Honda OBD" button. Confirm your trigger offset with timing light, keep everything else!