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Home >> Nissan-Datsun >> 1993 >> Sentra SE-R, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Air Temperature Sensor
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Air Temperature Sensor

The air temperature sensor is located in the air cleaner box. Sensor monitors temperature of incoming air. Sensor is a thermistor and increases (cold) or decreases (hot) its resistance in response to temperature changes. The air temperature sensor controls ignition timing when intake air temperature is extremely high to prevent engine knock (detonation).