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Home >> Isuzu >> 1999 >> Trooper Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Oxygen Sensor (O2S)
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Oxygen Sensor (O2S)

Sensor is located in exhaust manifold and, when at operating temperature, signals PCM to indicate amount of oxygen in exhaust gases.