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Home >> Mitsubishi >> 1994 >> Precis Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Oxygen (O2) Sensor
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Oxygen (O2) Sensor

O2 sensor is located in exhaust system and generates an output voltage. Output voltage varies with oxygen content of exhaust gas stream. ECM adjusts air/fuel mixture based on signals from O2 sensor.