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Home >> Infiniti >> 1998 >> Q45 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Throttle Position (TP) Sensor
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Throttle Position (TP) Sensor

TP sensor is a potentiometer which varies output voltage in response to changes in throttle position. This information is relayed to PCM in the form of an input voltage signal. TP sensor is attached to throttle body housing and is actuated by movement of the throttle plate.