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Home >> Ford >> 2005 >> Excursion 6.0 P, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Pinpoint Tests - 6.0L Diesel (99P F450/550) >> Pinpoint Test X: Exhaust Pressure (EP) Sensor >> Introduction >> Circuit Function

Circuit Function

The EP sensor is a variable capacitance sensor. A 5-volt reference signal from the powertrain control module (PCM) is used by the EP sensor to produce a linear analog voltage signal indicating the exhaust pressure. The PCM uses the EP sensor input to control the variable geometry turbocharger (VGT) and the exhaust gas recirculation (EGR) systems.

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