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Home >> Suzuki >> 2000 >> Swift GA, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Heated Oxygen Sensor (HO2S) No. 2
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Heated Oxygen Sensor (HO2S) No. 2

HO2S No. 2 is mounted just after catalytic converter. HO2S No. 2 operates similar to HO2S No. 1 and is used by PCM to monitor catalyst efficiency. HO2S No. 2 is normal when its activity appears lazy or inactive, indicating converter is functioning properly.