F 150 Super Crew 4WD V8-5.4L Prop SOHC VIN Z (2003)
Fuel Vaporizer Assembly: Description and Operation
Vaporizer
Liquid propane enters the vaporizer and is then heated to a gaseous state. The gaseous fuel is released to the compuvalve at 40 psia for engine coolant
temperatures greater than or equal to 25°C (77°F). Below this temperature, delivery pressure decreases with reduction of engine coolant temperature
to a minimum of 32 psia at 0°C (32°F), optimizing vaporization capacity.
