LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 1995 >> Prelude SE, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 2.3L >> Computerized Engine Controls >> Input Devices >> Oxygen Sensor (O2S)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Oxygen Sensor (O2S)

Oxygen sensor detects oxygen content of exhaust gases and sends signal to ECM, which varies air/fuel ratio to maintain a 14.7:1 ratio under most conditions. This ratio is most efficient for combustion and catalytic converter operation.

All models use heated oxygen sensors.