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Home >> Kia >> 2003 >> Optima SE, 2.7 8 >> Repair and Diagnosis >> 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 (TP) sensor resistance increases linearly as throttle is opened. TP sensor sends a voltage signal to ECM (throttle angle signal). ECM uses this signal to calculate fuel injection duration. TP sensor is located on plenum-mounted throttle body.