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Home >> Jaguar >> 2004 >> XJ8 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls - 4.2L (2003.5-09) >> Description and Operation >> Electronic Engine Controls >> Fuel Rail Pressure (FRP) Sensor

Fuel Rail Pressure (FRP) Sensor

The fuel rail pressure (FRP) sensor is a pressure transducer device. A vacuum pipe connects to the intake manifold for manifold pressure. The ECM receives a voltage from the FRP sensor which is proportional to the fuel pressure in the fuel injection supply manifold.

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