Fuel Rail Pressure Sensors
The Fuel Rail Pressure Sensor (RPS) is used on Common Rail Diesel and Direct Injection Petrol applications to provide the pressure reading in the fuel rail to the vehicles Powertrain Control Module (PCM) and is mounted in the fuel rail close to the injectors.
The fuel in the rail is under extremely high pressure and the sensor’s task is to ensure this predetermined pressure is maintained by signalling the PCM when the pressure in the rail drops. The fuel management maps within the PCM will then instruct the Direct Injection High Pressure Pump to increase output to restore the required rail pressure, along with adjusting the injector pulse width accordingly. All this communication is happening thousands of time per second to ensure the precise amount of fuel is injected into the cylinders to maintain economy and emissions.
Goss Fuel Rail Pressure sensors are sourced from many of the world’s leading OEM suppliers.
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