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Ultra Affordable EFI for Honda OBD1

Community Support

🔴Community support ONLY 🔴 https://www.facebook.com/groups/rusEfi 🔴 Discord🔴

Technical Details

See https://github.com/rusefi/rusefi/wiki/uaEFI

Schematics rev a

Features

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

Micro Fit

harness side 2x3 0430250600
harness side 2x4 0430250808
harness side terminal 0430300001
PCB side 2x3 0430450612

See https://github.com/rusefi/rusefi/wiki/Vault-Of-Honda-OEM#obd-1

OEM Cases

37820-p2e OBD2 case looks very similar to P28 OBD1 case