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Home >> Infiniti >> 2001 >> QX4 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> EGR Temperature Sensor
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EGR Temperature Sensor

EGR temperature sensor, located near EGR valve, detects temperature of exhaust gases passing through EGR valve. Sensor has a thermistor which changes its resistance value in response to EGR flow. As temperature increases, EGR temperature sensor resistance decreases.

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