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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Engine Controls And Fuel - 3.6L (LF4 LGX) - Repair Instructions) >> Repair Instructions >> Fuel Pressure Sensor Replacement - Fuel Injection Fuel Rail >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Fuel Pressure Relief -Relieve the fuel system pressure.
  2. Engine Rear Noise Shield Replacement (LF4) Engine Rear Noise Shield Replacement (LGX) -Remove
  3. Fig 1: Fuel Rail Pressure Sensor - Fuel Injection Fuel Rail (LFX)
    GM4138546Courtesy of GENERAL MOTORS COMPANY
    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.

  4. Electrical Connector 1 @ Fuel Injection Fuel Rail Fuel Pressure Sensor 2 -Disconnect
  5. 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.

  6. Fuel Injection Fuel Rail Fuel Pressure Sensor 2 @ Fuel Injection Fuel Rail 3 -Remove and DISCARD