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Note: The amount of fuel in the empty
reserve varies and should not be relied upon
to increase driving range.
Fuel Economy
Your vehicle calculates fuel economy
figures through the trip computer average
fuel function. See General Information
(page 114).
The first 1,000 mi (1,500 km) of driving is
the break-in period of the engine. A more
accurate measurement is obtained after
2,000 mi (3,000 km).
Impacting Fuel Economy
• Incorrect tire inflation pressures. See
Towing a Trailer (page 273).
• Fully loading your vehicle.
• Carrying unnecessary weight.
• Adding certain accessories to your
vehicle such as bug deflectors, rollbars
or light bars, running boards and ski
racks.
• Using fuel blended with alcohol. See
Fuel Quality (page 188).
• Fuel economy may decrease with lower
temperatures.
• Fuel economy may decrease when
driving short distances.
• You may get better fuel economy when
driving on flat terrain than when driving
on hilly terrain.
196
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201709, First Printing
Fuel and Refueling
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