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tripped open when the internal steel ball breaks loose of the switch magnet. See Fig. 40 . Once loose, the steel Fig. 40: Identifying Inertia Fuel Shutoff Switch FUEL CONTROL Fuel Injectors The fuel injector is a solenoid-operated valve that meters fuel flow to the engine. See Fig. 41 . The fuel injector The fuel injector is normally closed and is operated by 12 volt VPWR from the electronic engine control power CAUTION: DO NOT apply battery voltage directly to fuel injector electrical connector terminals, internal damage to fuel injector may occur. NOTE: Fuel injectors are deposit resistant and must not be cleaned.
2003 Ford Pickup F150 2003 ENGINE PERFORMANCE Theory & Operation - CNG, Flex-Fuel & Gasoline
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