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Crown Victoria
1. NGV module- Provides power for the fuel injectors. Also, drives the
fuel gauge using fuel tank pressure and temperature sensors.
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 two additional NG
fuel tanks mounted in the trunk (total of four).
10. Fueling point- Fueling receptacle is conveniently located with the
fuel door. Same location as gasoline fueled vehicles.
11. Tank temperature sensors- One each in set of tanks (solenoid
valves) used for fuel indication.
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Servicing your vehicle
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