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Home >> Plymouth >> 1989 >> Colt Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation - MPFI >> 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 where information is used to control idle speed and fuel delivery time.