Ford 1999 F-150 Manuel d'utilisateur télécharger pdf (Page 199)

For fuel filter replacement, see your dealer or a qualified service

technician. Refer to the Scheduled Maintenance Guide for the

appropriate intervals for changing the fuel filter.

If you replace the fuel filter, replace it with an authorized

Motorcraft part. The customer warranty may be void for any

damage to the fuel system if an authorized Motorcraft fuel filter

is not used.

ESSENTIALS OF GOOD FUEL ECONOMY

Measuring techniques

Your best source of information about actual fuel economy is you, the

driver. You must gather information as accurately and consistently as

possible. Fuel expense, frequency of fillups or fuel gauge readings are

NOT accurate as a measure of fuel economy. We do not recommend

taking fuel economy measurements during the first 1 600 km (1 000

miles) of driving (engine break-in period). You will get a more accurate

measurement after 3 000 km–5 000 km (2 000 miles-3 000 miles).

The advertised fuel capacity of the fuel tank on your vehicle is equal to

the rated refill capacity of the fuel tank as listed in the Refill Capacities

chart in this “Owner Guide.” The advertised capacity is the amount of

the Indicated Capacity and the Empty Reserve combined. Indicated

Capacity is the difference in the amount of fuel in a full tank and a tank

when the fuel gauge indicates empty. Empty Reserve is the small amount

of usable fuel remaining in the fuel tank after the fuel gauge indicates

empty.

The amount of Empty Reserve varies and should not be relied

upon to increase driving range. When refueling your vehicle after

the fuel gauge indicates empty, you might not be able to refuel

the full amount of the advertised capacity of the fuel tank due to

the empty reserve still present in the tank.

Filling the tank

For consistent results:

• Use the same filling rate setting (low — medium — high) each time

the tank is filled.

• Allow three automatic click-offs when filling.

• Always use the recommended octane rating of a known quality

gasoline, preferably a national brand.

Maintenance and care

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Ford 1999 F-150 Manuel d'utilisateur Page 199