Ford F 2019 Series Owner's Manual page 35

Super duty class a motorhome and commercial chassis
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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 21).
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.
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 28).
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.
Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, First-Printing
Fuel and Refueling
32

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