2019 FORD SUPER DUTY Owners Manual

Page 185 of 666

FORD SUPER DUTY 2019  Owners Manual Note:
The heater is most effective when
outdoor temperatures are below 0°F
(-18°C).
For cold climates that are below 
0°F
(-18°C) needing a temporary battery
installation. Order the cold climate p

Page 186 of 666

FORD SUPER DUTY 2019  Owners Manual SAFETY PRECAUTIONS
WARNING: Do not overfill the fuel
tank. The pressure in an overfilled tank
may cause leakage and lead to fuel spray
and fire. WARNING: 
The fuel system may
be under pressure. If you

Page 187 of 666

FORD SUPER DUTY 2019  Owners Manual FUEL QUALITY - E85
Choosing the Right Fuel - Flex Fuel
Vehicles
Flex fuel vehicles have one of the following
identifiers:
•
Yellow fuel filler cap.
• Yellow bezel around the fuel filler inlet.
•

Page 188 of 666

FORD SUPER DUTY 2019  Owners Manual Switching Between E85 and
Gasoline
We do not recommend repeatedly
alternating between E85 and gasoline. If
you switch from using E85 to gasoline, or
from gasoline to E85, add as much fuel as
possible,

Page 189 of 666

FORD SUPER DUTY 2019  Owners Manual Vehicles with engines configured for use
with high sulfur diesel fuel are only
available for sale in countries where ultra
low sulfur diesel fuel is generally not
available or mandated by the governme

Page 190 of 666

FORD SUPER DUTY 2019  Owners Manual Biodiesel fuels degrade more easily than
diesel fuels not containing biodiesel and
should not be stored in the fuel tank for
more than 1 month. If you plan to park or
store your vehicle for more than

Page 191 of 666

FORD SUPER DUTY 2019  Owners Manual Note:
Use of any fuel for which the vehicle
was not designed can impair the emission
control system, cause loss of vehicle
performance, and cause damage to the
engine which may not be covered by the
v

Page 192 of 666

FORD SUPER DUTY 2019  Owners Manual WARNING: Wait at least 10
seconds before removing the fuel pump
nozzle to allow any residual fuel to drain
into the fuel tank. WARNING: 
Stop refueling after
the fuel pump nozzle automatically
shuts o