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Fuel Rail Pressure And Temperature (FRPT) Sensor

G11301583

The FRPT sensor provides the PCM with a continuous signal of fuel rail pressure via hardwired connection. The FRPT sensor is installed in the rear of the fuel rail (Bank 1). The FRPT sensor is screwed into a threaded boss in the fuel rail.

The FRPT sensor contains a steel diaphragm fitted with strain gages, which are incorporated into a Wheatstone bridge. The output from the Wheatstone bridge is processed by the PCM to determine a pressure value. The FRPT sensor contains an Negative Temperature Coefficient (NTC) sensor which allows the PCM to determine the fuel temperature.

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