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Home >> Acura >> 1993 >> Integra GS-R >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Heated Oxygen Sensor (HO2S)
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Heated Oxygen Sensor (HO2S)

Detects oxygen content in exhaust gas and sends this information to PCM. PCM uses input from sensor to vary duration of fuel injection. Legend has 2 HO2S sensors. See OXYGEN SENSOR HEATER  under EMISSION SYSTEMS.