| Fascia |
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A soft covering used on the front and rear ends of some vehicles, including the bumpers.
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| Feedback Air/Fuel Ratio Control |
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An engine computer-controlled function that measures the oxygen content in a vehicle’s exhaust gases to keep the air/fuel mixture close to the chemically perfect ratio to ensure proper operation of the catalytic converter.
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| Fifth Wheel |
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A device used to couple a semi-trailer to a truck.
In most F-Series models, the fifth wheel is an upper mounting on the pickup box floor
The upper fifth wheel engages a trailer and consists of a plate and a rigidly mounted kingpin
A lower fifth wheel mounts on a tractor frame and consists of a base, rocking plate and locking mechanism that engages the kingpin on the trailer
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| Fifth-Wheel Hitch |
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This is a type of hitch that is mounted in the pickup bed to put more of the trailer weight directly over the towing vehicle. The receiver centerline of the hitch should be mounted at least two inches forward of the rear axle of the truck chassis. This mounting location will distribute the tongue load of the trailer for optimum load-carrying and sway-control performance. Care must be taken to maintain nominal clearance from the back of the cab to the front of the trailer during tight cornering or backing maneuvers. Failure to follow this recommendation can adversely affect the towing vehicle's steering, braking, and handling characteristics.
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| Final Drive Ratio |
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See Axle Ratio
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| Flareside |
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A type of truck body style in which the wheels are set on the outside of the box of the truck bed. With this type of body style, the wheel wells extend and “flare” outward from the truck bed. The standard body style in which the wheels are set beneath the truck bed so that the bed is shaped like a rectangular box is called styleside.
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| Flash |
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Refers to a bandwidth friendly and browser independent animation technology. In order to view Flash-based animated content on the Internet, you need to have Flash installed in your plug-in folder.
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| Flexible Fuel Vehicle (FFV) |
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Vehicle that operates on a blend of fuel ethanol and unleaded gasoline, containing up to 85 percent fuel ethanol. Should fuel ethanol (E-85) not be immediately available, this vehicle can operate normally on unleaded gasoline.
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| Floor Pan |
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The stamped part of a vehicle’s structure that forms the passenger compartment and luggage compartment floors and to which the seats and carpeting are affixed.
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| Flush-mounted Glass |
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Windows, windshields and/or backlites that are mounted flush to the pillars, doorframes and body. Benefits are:
- Helps to decrease aerodynamic drag, contributing to increased fuel efficiency and reduced wind noise
- Adds to the vehicle’s appearance by giving the vehicle a tighter-fitting look
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| Flywheel |
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A heavy metal disc attached to an engine’s crankshaft that transfers power to the transmission and helps reduce engine vibration. It features a toothed edge driven by the starter motor to start the engine.
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| Fog Lamps |
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Auxiliary lamps that are generally integrated into the front fascia and designed to help illuminate the roadway in foggy or misty conditions.
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| Four Wheel Drive (4WD) |
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In a Four Wheel Drive system, a secondary transmission assembly, called a transfer case, is driven from the main transmission. The transfer case distributes power to both axles to drive all four wheels. It is the heart of the Four-Wheel Drive system. Four-Wheel Drive can be full-time, in which power is delivered to both axles at all times or part-time, where the driver selects two or four wheel drive. Four wheel drive is often combined with independent suspension systems and off-road type tires to enhance driveability on rough, off-road terrain, or on-road driveability in unfavorable driving conditions.
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| Four-valves-per-cylinder Engine Design |
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A powertrain design that uses two intake and two exhaust valves per cylinder. The improved flow of air/fuel mixture into the engine and exhaust gas out of the engine boosts power.
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| Front-Wheel Drive (FWD) |
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A drive system where the engine and transaxle components apply the driving force to the front wheels rather than the rear wheels. Benefits of Front-Wheel drive include: Maximized passenger space. Enhanced cargo area. excellent drive traction; particularly on wet or slippery surfaces, since the drive is through the front wheels, which carry a heavier load.
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| Frontal Area |
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This refers to the square footage of front surface area that is exposed to air resistance by a moving vehicle, or a moving vehicle with a trailer.
The frontal area of a vehicle can be a contributing factor when determining the size of a trailer that a vehicle can tow. A larger frontal area will add drag, thus reducing the vehicle’s ability to tow a trailer. For many vehicles, frontal area restrictions limit a trailer’s size to a specific Gross Combined Weight Rating (GCWR). The frontal area is also a determining factor in selecting an incomplete vehicle that complies with emissions requirements
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| Frontal area |
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This is the total area in square feet that a moving vehicle and trailer exposes to air resistance. The chart shows the limitations that must be considered in selecting a vehicle/trailer combination. Exceeding these limitations may significantly reduce the performance of your towing vehicle.
| FRONTAL AREA CONSIDERATIONS |
| Vehicle Line |
Frontal Area Limitations/ Considerations |
With |
| Ranger |
Base Vehicle Frontal Area |
2.3L I4 Engine |
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50 sq. ft. |
3.0L V6 or 4.0L V6 Engine |
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| E-Series |
60 sq. ft. |
All applications |
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| F-150 |
Base Vehicle Frontal Area |
Without Class III Trailer Tow Group or 7700 Payload Group A or B |
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60 sq. ft. |
With Class III Trailer Tow Group or 7700 Payload Group A or B |
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| Super Duty F-Series |
60 sq. ft. |
All applications except F-550 Crew Cab 4x2 with High Capacity Trailer Tow Pkg. |
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90 sq. ft. |
F-550 Crew Cab 4x2 with High Capacity Trailer Tow Pkg. |
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| Fuel |
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Unleaded fuel is specified for all Ford vehicles with gasoline engines and catalytic converters. All fuel filler openings and instrument panel clusters of such vehicles are clearly marked Unleaded Fuel Only. The 7.3L Power Stroke turbo diesel engine requires #2 grade diesel fuel. The Mustang Cobra requires a minimum of 91 octane fuel
Note: Ford Motor Company recommends that a detergent-dispersement-type gasoline be selected.
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| Fuel Injection |
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A method of delivering fuel under pressure into an engine’s combustion chamber. Fuel injection systems can be single-point, multi-point, etc.. Replaces carbureted system.
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| Fuel Pump Inertia Shutoff Switch |
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An impact-activated switch standard on all Ford car, sport utility vehicle and truck gas engines that automatically shuts off the fuel being pumped to the engine, for added safety in the event of a collision. Once the inertia-type switch is triggered, it must be reset manually. Refer to the specific vehicle’s Owner Guide for details on resetting the switch.
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| Fuel Tank, Auxiliary |
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An extra fuel tank available on certain F-Series light trucks over 8500-lb. GVWR that can save time, both on the open road and in the city, by extending the vehicle’s cruising range, thereby reducing the number of required fuel stops
Auxiliary tanks include an instrument panel-mounted switch that allows the driver to switch between the two tanks
Fuel tanks should never be allowed to run completely dry, even with dual auxiliary tanks
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| FWD |
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An abbreviation indicating a front-wheel-drive vehicle, where the vehicle’s driving force is applied through the front wheels. Not to be confused with 4WD, which denotes a four- wheel-drive vehicle.
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