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Home >> Mitsubishi >> 1989 >> Precis Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation - CARBURETED >> Computerized Engine Controls >> Input Devices >> Oxygen Sensor
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Oxygen Sensor

Oxygen (O2) sensor is located in exhaust system. Output voltage of oxygen sensor varies with oxygen content in engine exhaust. The oxygen sensor signal is used by ECU to control air/fuel ratio.

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