2018 FORD F-350 Owners Manual

Page 185 of 660

FORD F-350 2018  Owners Manual We recommend the following cold
weather idling guidelines:
•
You can use Motorcraft® cetane
improvers or non-alcohol-based
cetane improvers from a reputable
manufacturer as needed.
• Maintain the

Page 186 of 660

FORD F-350 2018  Owners Manual Operation in Standing Water
Ingestion of water into the diesel engine
can result in immediate and severe
damage to the engine. If driving through
water, slow down to avoid splashing water
into the int

Page 187 of 660

FORD F-350 2018  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 188 of 660

FORD F-350 2018  Owners Manual SAFETY PRECAUTIONS
WARNINGS
Do not overfill the fuel tank. The
pressure in an overfilled tank may
cause leakage and lead to fuel spray
and fire. The fuel system may be under
pressure. If you hear a hi

Page 189 of 660

FORD F-350 2018  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 190 of 660

FORD F-350 2018  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 191 of 660

FORD F-350 2018  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 192 of 660

FORD F-350 2018  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