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Home >> Lexus >> 1998 >> SC 400 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> EGR Temperature Sensor (ES300)
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EGR Temperature Sensor (ES300)

Engine Control Module (ECM) applies a reference voltage to EGR temperature sensor, which is a variable resistor. EGR gas temperature sensor monitors EGR gas temperature and delivers an input signal to ECM. EGR gas temperature sensor is located near EGR valve.