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Home >> Jaguar >> 2019 >> XF S >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Electronic Engine Controls - V6 S/C 3.0L Petrol -- XE/(760)) >> Electronic Engine Controls - V6 S/C 3.0L Petrol (G1818564) >> Description And Operation >> Electronic Engine Controls >> Description >> Fuel Rail Pressure And Temperature Sensor

Fuel Rail Pressure And Temperature Sensor

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G11301583Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

The Fuel Rail Pressure and Temperature (FRPT) sensor provides the Powertrain Control Module (PCM) with a continuous signal of fuel rail pressure via hardwired connection. The FRPT sensor is installed in the rear of the Bank 1 fuel rail. The FRPT sensor is screwed into a threaded boss in the fuel rail.

The FRPT sensor contains a steel diaphragm installed 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) thermistor which allows the PCM to determine the fuel temperature.

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