Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
- Relieve the fuel system pressure -Fuel Pressure Relief .
- Remove -Fuel Pump Insulator Replacement .
- Disconnect Electrical Connector (1) @Fuel Injection Fuel Rail Fuel Pressure Sensor (2).
- Remove Fuel Injection Fuel Rail Fuel Pressure Sensor (2) @Fuel Injection Fuel Rail (2) and DISCARD
CAUTION:
Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution .
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.