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Home >> Lexus >> 1994 >> LS 400 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> EGR Temperature Sensor
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EGR Temperature Sensor

ECM applies a reference voltage to EGR temperature sensor, which is a variable resistor. Value of reference voltage corresponds to volume of exhaust gas that is entering the intake system.