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Home >> Mitsubishi >> 1994 >> Eclipse Base, Automatic >> Repair and Diagnosis (Single Page) >> 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)

HO2S detects oxygen content in exhaust gas and sends this information to ECM. ECM uses input signals from sensor to vary duration of fuel injection. Oxygen sensor heater stabilizes sensor temperature regardless of exhaust gas temperature to allow for more accurate exhaust oxygen content readings.

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