FixVault

Removal Procedure

  1. Relieve the fuel system pressure. Fuel Pressure Relief 
  2. Fuel Pump Insulator - Remove - Fuel Pump Insulator Replacement 
  3. Disconnect the electrical connector (1).
    GM4180496Courtesy of GENERAL MOTORS COMPANY
  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. Remove and DISCARD the fuel injection fuel rail fuel pressure sensor (2).