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Home >> Acura >> 1997 >> Integra GS-R, 4D Sedan >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - GS-R >> Computerized Engine Controls >> Input Devices >> Primary Heated Oxygen Sensor (HO2S-1)
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Primary Heated Oxygen Sensor (HO2S-1)

Measures oxygen content in exhaust gas before catalyst. PCM uses input from this sensor to control duration of fuel injection.