Volvo Owners Club Forum - View Single Post - V40:

sasayu1983 · Oct 10th, 2018, 10:25

I know I have to check Fuel Pressure Sensor on top of rail, and Fuel Pressure Regulator Valve.

Do I need to depressurize the fuel system before changing them. How?
Fuel pump fuse out? What about air that can enter into fuel system?

Oct 10th, 2018, 10:25	#3
sasayu1983 New Member Last Online: Nov 24th, 2022 10:38 Join Date: May 2018 Location: Belgrade	I know I have to check Fuel Pressure Sensor on top of rail, and Fuel Pressure Regulator Valve. Do I need to depressurize the fuel system before changing them. How? Fuel pump fuse out? What about air that can enter into fuel system?