2003 Ford Crown Victoria Natural Gas Vehicle Supplement 1st Printing - Page 7

Servicing your vehicle 9. Aft axle fuel tanks-Two steel fuel tanks located behind the rear axle. 10. Midship fuel tank-A steel fuel tank located underbody. 11. High pressure fuel lines-Delivers high pressure fuel to the fuel tanks and fuel pressure regulator. 12. Fuel pressure regulator/Coalescent fuel filter-Reduces fuel pressure to 95 psi and removes impurities from the gas. 13. Low pressure fuel line-Supplies 95 psi of natural gas to the injectors. 14. NGV module-Contains the unique powertrain electronics that are required for an NGV. F-Series Pick-up 1 2 3 4 5 6 5 6b 12 11 10 9 8 7 1. Fuel rail sensors-An injection pressure sensor and an engine fuel temperature sensor provide engine fuel information to the powertrain control module. 2. Isolation solenoid valve-Blocks flow from supply line to injection manifold when the engine is off. 3. Engine-A modified 5.4L gasoline engine with Sequential Electronic Fuel Injection (SEFI), an improved valvetrain and a high compression ratio. 7