Fuel Consumption; Filling The Tank - Ford 2015 F-150 Owner's Manual

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4. Wait at least 10 seconds before
removing the fuel pump nozzle to allow
any residual fuel to drain into the fuel
tank.
Note: A fuel spillage concern may occur if
overfilling the fuel tank. Do not overfill the
tank. The fill pipe is equipped with a drain
hole. Excess fuel due to overfill may drain
through the drain hole and drip onto the
ground.
If the fuel fill inlet was not properly closed,
a service engine warning lamp may appear
on the instrument cluster.
At the next opportunity, do the following:
1. Stop your vehicle as soon as safely
possible and shift the transmission into
park (P).
2. Open the fuel filler door and remove
any visible debris from the fuel fill
opening.
3. Insert either the fuel fill nozzle or the
fuel fill funnel provided with the vehicle
several times to allow the inlet to close
properly. This will dislodge any debris
preventing the inlet from sealing.
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Fuel and Refueling
If this action corrects the problem, the
message may not reset immediately. It
may take several driving cycles for the
message to turn off. A driving cycle
consists of an engine start-up (after 4 or
more hours with the engine off) followed
by city or highway driving. Continuing to
drive with the message on may cause the
service engine soon lamp to turn on as
well.

FUEL CONSUMPTION

Empty reserve is the amount of fuel
remaining in the tank after the fuel gauge
indicates empty. The amount of usable
fuel in the empty reserve varies and should
not be relied upon to increase driving range.
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Filling the Tank

For consistent results when filling the fuel
tank:
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The usable capacity of the fuel tank is
the amount of fuel that can be added
into the tank after the gauge indicates
empty
The advertised capacity is the total fuel
tank size. See Capacities and
Specifications (page 359). It is the
combined usable capacity plus the
empty reserve.
Due to the empty reserve, you may not
be able to refuel the full amount of the
advertised capacity of the fuel tank
even when the fuel gauge reads empty.
Turn the ignition off before fueling; an
inaccurate reading results if the engine
is left running.
Use the same fill rate
(low-medium-high) each time the tank
is filled.
Allow no more than two automatic
click-offs when filling.