Genuine Ford Fusion Throttle Position Sensor

The Throttle Position Sensor in Ford Fusion delivers incredibly accurate fuel metering by informing the engine computer how far the throttle is opened. The Throttle Position Sensor is a device that sits on the throttle shaft. It sends a steady stream of voltage to the ECU (Electronic Control Unit). Moreover, the ECU compares this signal with data about airflow and speed in order to calculate the optimum injector timing. This occurs every millisecond so a Fusion can smoothly accelerate or cruise efficiently or back off power without a hiccup. The early Ford units applied a potentiometric Throttle Position Sensor type. The sensor applied a metal wiper that slid across a resistive strip. This constant contact wore the resistive strip out. It could leave a Fusion with rough idle and poor mileage. Ford's updated design has changed to a non-contact Throttle Position Sensor which detects magnetic field changes by Hall Effect, inductive, or magnetoresistive circuits which eliminates friction and extends service life significantly. A variant signal of closed Throttle Position Sensor tells the ECU that the plate is fully shut, while a corresponding wide open signal assists with the automatic kick-down. When failure occurs, quick replacement will restore sharp response and prevent another Fusion from stalling or consuming excess fuel, keeping Ford performance intact.

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