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Home >> Hyundai >> 1991 >> Excel GL, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Throttle Position Sensor
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Throttle Position Sensor

Throttle Position Sensor (TPS) is a rotary resistor, attached to throttle body. The sensor signals ECU of changes in throttle valve position. This information is used by the ECU to control idle speed and fuel delivery time.

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