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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls And Fuel - 2.0L (LSY) - Repair Instructions) >> Repair Instructions >> Fuel Rail Pressure Sensor Replacement >> Removal Procedure

Removal Procedure

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    WARNING:

    Refer to Diesel/Gasoline Vapors Warning .

    WARNING:

    Refer to Safety Glasses Warning .

  1. Relieve the fuel system pressure. Fuel Pressure Relief 
  2. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  3. GM5311551

    Disconnect the electrical connector.

    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.
    • 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.
  4. Fuel Injection Fuel Rail Fuel Pressure Sensor (1) - Remove
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