Honda OBD1 Civic / Integra / CRX / Del Sol standalone ECUs
Early-1990s Honda models with the OBD1 engine management pinout, including the Civic, CRX, Del Sol and Integra.
- Engines
- D/B-series OBD1 · OBD1
- Layout
- 4-cylinder, FWD
You have 2 plug-in ECU options for the Honda OBD1 Civic / Integra / CRX / Del Sol from rusEFI, 1 of them direct plug-in. The cheapest complete setup is rusEFI at US$425 including the ECU. 63 wire-in ECUs can also run its 4-cylinder engine with a custom loom, from US$155.
Prices checked and include the ECU.
Your options for this car
New to this? Three ways to fit an aftermarket ECU explains each one in five minutes.
Dedicated plug-in 1
Built for this car. Goes where the factory ECU was and plugs straight into the factory loom.
From US$470 →
Standalone + adapter harness 1
A general-purpose ECU with an off-the-shelf harness that joins it to the factory ECU plug.
From US$425 →
Wire-in ECU 63
Any ECU with the right features, on a new or rewired loom. Best for race cars, swaps and big changes from factory.
From US$155 plus loom →
Reflash
Keep the factory ECU and rewrite its tune. Usually the cheapest, keeps every factory feature, but limited to what the factory hardware can control.
Reflash options for this car are still being checked.
Plug-in ECUs for the Honda OBD1 Civic / Integra / CRX / Del Sol
2 options, cheapest first. Each one links to its full specs and sellers.
rusEFI Standalone for Honda OBD1
Fits inside OBD2 enclosure per listing; vehicle list not stated, OBD1 Honda pinout
No plug-in is listed for that chassis and year. A wire-in ECU below will still fit with a custom loom.
Wire-in ECUs that can run this engine
Cheapest current unit from each brand with at least 4 injector and ignition outputs, so it runs fully sequential.
Add a loom: built by your tuner or a loom maker. Filter every wire-in ECU by features and price
About the makers: rusEFI