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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 282 (Engine Controls And Fuel - 6.2L (LT4) - Repair Instructions) >> Repair Instructions >> Fuel Rail Pressure Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Relieve the fuel system pressure. Fuel Pressure Relief 
  2. Fuel Pump Insulator - Remove - Fuel Pump Insulator Replacement 
  3. GM4180496Courtesy of GENERAL MOTORS COMPANY

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

  4. NOTE:
    • Do NOT apply force to the plastic housing of the fuel injection fuel rail fuel pressure sensor. ONLY apply force to the attached hexagon.
    • Some fuel may leak from the fuel injection fuel rail orifice after the sensor is removed. Dry the area around the orifice using a lint free cloth.
    • After removal, the area around the fuel injection fuel rail sealing surface should be inspected. The surface should be free of fuel, dirt, debris, and burrs.
  5. Fuel Rail Pressure Sensor (2) @Fuel Injection Fuel Rail (3) - Remove