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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Engine Controls - Description And Operation -- 6.0L Diesel (99P F450/550)) >> Diesel Powertrain Control Module (PCM) Inputs >> Accelerator Pedal Position (APP) Sensor

Accelerator Pedal Position (APP) Sensor

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The APP sensor is a 3-track potentiometer that is used to calculate driver demand for fuel quantity. The sensor receives a VREF voltage from the PCM and provides a variable voltage signal directly proportional to the accelerator pedal position.

A detected malfunction of the APP sensor illuminates the electronic throttle control (wrench) indicator. A PCM detected fault on one of the 3 sensor signals permits normal engine operation. A fault with 2 sensor signals only allows the engine to operate at idle.

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