F22

F23A4

Configuration

I4

Power

148

Torque

150

Aspiration

Normally Aspirated

OBD

OBD2

Notes

2.3L F23A4 SOHC VTEC I4 4 valves per cylinder ULEV Variant of the F23A1 Uses a Wideband O2 sensor | Market: USDM

Swaps using the F23A4

Guides mentioning the F23A4

Difficult 1-2 days

Civic Type R 5-Lug Brake and Suspension Conversion for the 1996-2000 Civic (EK)

Easy 15-30 minutes

Honda PGM-FI Fault Code Reading and ECU Reset (OBD0/OBD1/OBD2)