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Home >> Dodge and Ram >> 2009 >> Sprinter 2500 V6-3.0L DSL Turbo >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Fuel Pressure Sensor >> Description and Operation >> Fuel Pressure Sensor - Description
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Fuel Pressure Sensor - Description






DESCRIPTION

The fuel rail pressure sensor monitors and passes on the current fuel rail pressure to the ECM. The non-constant system pressure influences the position of the sensor diaphragm which alters the sensors electrical resistance.

WARNING: A residual pressure of about 50 to 80 bar (725 to 1160 PSI) remains in the fuel rails after switching off the engine. The high-pressure system must only be opened after the fuel pressure drops to a safe level.

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