Removal Procedure
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Fuel/gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.
WARNING:
Wear safety glasses in order to avoid eye damage.
- Relieve the fuel system pressure. Fuel Pressure Relief
- Fuel Pump Insulator - Remove - Fuel Pump Insulator Replacement
Disconnect the electrical connector (1).
- 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.
Remove and DISCARD the fuel injection fuel rail fuel pressure sensor (1).