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Home > Cummins 3949988 5.9L Fuel Rail Pressure Sensor

Cummins 3949988 5.9L Fuel Rail Pressure Sensor

Your Price: $257.85

Product Application: 2003 to 2007 Dodge Ram Cummins 5.9L
Manufacturer: Cummins
Item Number: Cummins 3949988
Manufacturer Part No: Cummins 3949988

Condition: New

This Cummins 3949988 High-Pressure Fuel Rail Pressure Sensor for the 2003 to 2007 Dodge Ram 2500 and 3500 diesel trucks with the 5.9L Cummins engine. READ MORE >>

OEM Cummins Fuel Rail Pressure Sensor For Dodge Ram 5.9L Cummins Diesel

This Cummins 3949988 Pressure Sensor Applications:

  • 2003 to 2007 Dodge Ram 2500 Diesel.
  • 2003 to 2007 Dodge Ram 3500 Diesel.

What does this Cummins 5.9L Fuel Rail High Pressure Sensor Do?

  • This Cummins 3949988 fuel rail high-pressure sensor senses the amount of fuel in the fuel rail by reading the internal pressure of the rail.
  • The pressure sensor then sends an electronic message to the Power Control Module PCM telling it precisely how much fuel needs to be released into the engine.
  • The fuel rail pressure sensor measures the pressure of the fuel being supplied to the fuel injectors.
  • This pressure signal is used by the PCM to adjust the fuel injector pulse width and duration while metering fuel to each cylinder during the combustion cycle.

Symptoms of a Faulty Cummins 3949988 Fuel Rail Pressure Sensor:

  • Difficulty Starting the engine.
  • Engine losses power.
  • Rough erratic engine operation.
  • Engine loses power and then regains power.
  • P0193 Fuel Pressure Sensor Circuit High Input Code Displayed.

This fuel rail pressure sensor is an OEM Cummins Part covered by the Manufacturers Two Year Warranty.

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