F150 Bi-Fuel (Gasoline & LPG)
WARNING: This page is about a different variant/trim than selected.
Raise and support vehicle on hoist. Remove the fuel tank shield. Close fuel tank valve. Residual fuel line pressure will be present. Set ALT/GAS switch to ALT position. Start and run vehicle until indicator goes off. To pressurize system, slowly open fuel tank valve and reverse procedure.