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Home >> Cadillac >> 2018 >> XTS Livery >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Controls And Fuel - 3.6L (LFX LF3) - Repair Instructions >> Repair Instructions >> Fuel Pressure Sensor Replacement - Fuel Injection Fuel Rail (LFX) >> Removal Procedure

Removal Procedure

  1. Fuel Pressure Relief  - Relieve the fuel system pressure.
  2. Fuel Pipe Shield Replacement (LFX)  - Remove
  3. GM4138546Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Applying force to the plastic housing of the sensor may damage the sensor. To tighten or loosen, apply force only to the attached hexagon.

    Electrical Connector (1)@Fuel Injection Fuel Rail Fuel Pressure Sensor (2) - Disconnect

  4. NOTE:

    Some fuel may leak from the fuel injection fuel rail fuel pressure sensor orifice after the sensor is removed. Dry the area around this orifice after the removal of the sensor using a lint free cloth and inspect the fuel injection fuel rail fuel pressure sensor sealing surface. The surface should be free of fuel, debris, and burrs.

  5. Fuel Injection Fuel Rail Fuel Pressure Sensor (2)@Fuel Injection Fuel Rail (3) - Remove and DISCARD