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Home >> Buick >> 2021 >> Envision Preferred, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (LSY) - Repair Instructions >> Repair Instructions >> Fuel Rail Pressure Sensor Replacement >> Removal Procedure
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Removal Procedure

  1. Relieve the fuel system pressure. Fuel Pressure Relief 
  2. Air Cleaner Outlet Duct - Remove - Air Cleaner Outlet Duct Replacement 
  3. GM5180136Courtesy of GENERAL MOTORS COMPANY

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

  4. 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.

    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