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Home >> Acura >> 2003 >> 3.2CL Base >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Secondary Heated Oxygen Sensor (HO2S-2)

Secondary Heated Oxygen Sensor (HO2S-2)

Sensor measures oxygen content in exhaust gas after catalyst. Determines efficiency of catalytic converter. See OXYGEN SENSOR HEATER  under EMISSION SYSTEMS.