D 350 Pickup L6-359 5.9L DSL (1989)
Fuel Pressure Check Valve: Locations
Fuel Gauge Sending Unit
The pressure/relief rollover valve is located on the top of the fuel tank in the fuel gauge sending unit module.
Fuel Pressure Check Valve: Locations
Fuel Gauge Sending Unit
The pressure/relief rollover valve is located on the top of the fuel tank in the fuel gauge sending unit module.