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Home >> Buick >> 2017 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.0L (LTG) - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement >> Removal Procedure

Removal Procedure

  1. Relieve the fuel system pressure. Fuel Pressure Relief 
    2. NOTE:

    It is NOT necessary to completely remove the intake manifold to gain access to the fuel injection fuel rail fuel pressure sensor.

  2. Reposition Intake Manifold -Intake Manifold Replacement
  3. Reposition Fuel Injection Fuel Rail Noise Shield - Fuel Injection Fuel Rail Noise Shield Replacement 
    4. Fig 1: Fuel Rail Pressure Sensor
    GM4093213Courtesy of GENERAL MOTORS COMPANY
  4. Disconnect the electrical connector (1).
    5. CAUTION:

    Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution .

    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).
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