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Home >> Mercury >> 1994 >> Villager LS >> 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

Mounted on throttle body at throttle plate rod, TP sensor monitors throttle plate opening. The TP sensor signal to PCM is proportional to throttle opening angle. The TP sensor signal affects air/fuel ratio, injector timing, idle speed, EGR flow and fuel pressure. If TP sensor system malfunctions, Code 12 will be set in PCM memory.

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