2004 Ford Crown Victoria Natural Gas Vehicle Supplement 1st Printing - Page 9

2004 Ford Crown Victoria Manual

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Page 9 highlights

Servicing your vehicle 2. Isolation solenoid valve - Blocks flow from the injection manifold when the engine is off. 3. Engine - Is a modified 4.6L engine with Sequential Electronic Fuel Injection (SEFI) and increased compression ratio. 4. Engine coolant lines - Provide required heat to high pressure regulator. 5. Powertrain control module - Required for NGV application. 6. Sealed vent box - Vented to underbody. Dispenses natural gas vapor to atmosphere if vapor becomes present. 7. Tank pressure sensor - Fuel tank pressure sensor located in this tank's solenoid valve is used for fuel indication. 8. Solenoid tank valves - One solenoid per tank. Internal valves with shut-off solenoids wired into inertia circuit for crash protection. 9. Two fuel tanks - Located in the trunk. On taxi or police vehicles, an extended range fuel system is available which includes one additional NG fuel tank mounted in the trunk (total of three). 10. Fueling point - Fueling receptacle is conveniently located with the fuel door. Same location as gasoline fueled vehicles. 11. Tank shield- Protective shield able to prevent damage to the fuel tanks caused by trunk cargo. 12. Tank temperature sensors - One each in set of tanks (solenoid valves) used for fuel indication. 13. Optional fuel tank - A fiber-wrapped steel fuel tank (total of three tanks in the trunk). Also has a sealed vent box which vents to the underbody. Dispenses natural gas vapor to the atmosphere if vapor is present. 14. Two fuel tanks - Located underbody to facilitate fuel system design. 15. Stone and heat shield - Protective shield able to prevent damage to the fuel tanks caused by road debris or other road hazards. 16. High pressure fuel lines - Delivers high pressure fuel to the pressure regulator. 17. Pressure regulator and coalescent fuel filter assembly Reduces the fuel pressure to the fuel injector. 18. Low pressure fuel lines - Supplies natural gas to the engine. 19. Fuel rail sensors - One injection pressure sensor and one engine fuel temperature sensor provide engine fuel information to the PCM. 9

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2.
Isolation solenoid valve -
Blocks flow from the injection manifold
when the engine is off.
3.
Engine -
Is a modified 4.6L engine with Sequential Electronic Fuel
Injection (SEFI) and increased compression ratio.
4.
Engine coolant lines -
Provide required heat to high pressure
regulator.
5.
Powertrain control module -
Required for NGV application.
6.
Sealed vent box -
Vented to underbody. Dispenses natural gas vapor
to atmosphere if vapor becomes present.
7.
Tank pressure sensor -
Fuel tank pressure sensor located in this
tank
’
s solenoid valve is used for fuel indication.
8.
Solenoid tank valves -
One solenoid per tank. Internal valves with
shut-off solenoids wired into inertia circuit for crash protection.
9.
Two fuel tanks -
Located in the trunk. On taxi or police vehicles, an
extended range fuel system is available which includes one additional NG
fuel tank mounted in the trunk (total of three).
10.
Fueling point -
Fueling receptacle is conveniently located with the
fuel door. Same location as gasoline fueled vehicles.
11.
Tank shield-
Protective shield able to prevent damage to the fuel
tanks caused by trunk cargo.
12.
Tank temperature sensors -
One each in set of tanks (solenoid
valves) used for fuel indication.
13.
Optional fuel tank -
A fiber-wrapped steel fuel tank (total of three
tanks in the trunk). Also has a sealed vent box which vents to the
underbody. Dispenses natural gas vapor to the atmosphere if vapor is
present.
14.
Two fuel tanks -
Located underbody to facilitate fuel system design.
15.
Stone and heat shield -
Protective shield able to prevent damage to
the fuel tanks caused by road debris or other road hazards.
16.
High pressure fuel lines -
Delivers high pressure fuel to the
pressure regulator.
17.
Pressure regulator and coalescent fuel filter assembly -
Reduces the fuel pressure to the fuel injector.
18.
Low pressure fuel lines -
Supplies natural gas to the engine.
19.
Fuel rail sensors -
One injection pressure sensor and one engine
fuel temperature sensor provide engine fuel information to the PCM.
Servicing your vehicle
9