2020 FORD F450 SUPER DUTY fuel

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Page 133 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Action
Message
A problem exists with the selective catalytic reduction systemcausing your vehicle into an idle-only mode. If the exhaust
fluid is empty, you must replenish the diesel exhaust fluid to

Page 135 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Fuel
Action
Message
An early reminder of a low fuel condition.
Fuel Level Low
The fuel fill inlet could not be properly closed.
Check Fuel Fill Inlet
Keys and Remote Controls Action
Message
A reminder

Page 150 of 633

FORD F450 SUPER DUTY 2020  Owners Manual 3. Direct air to the instrument panel air
vents.
Vehicle Stationary for Extended
Periods During Extreme High
Ambient Temperatures
1. Apply the parking brake.
2. Place your vehicle in park (P) or neutr

Page 179 of 633

FORD F450 SUPER DUTY 2020  Owners Manual 2. Turn the key to position III to start the
engine.
3. When the engine starts, release the brake pedal.
Do not crank the engine for more than 10
seconds as starter damage may occur.  If
the engine do

Page 180 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Cold Weather Starting (Flexible
Fuel Vehicles Only)
The starting characteristics of all grades
of E85 ethanol make it unsuitable for use
when ambient temperatures fall below
0°F (-18°C).  Consult yo

Page 182 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Automatic Engine Shutdown
If your vehicle is equipped with a keyless
ignition, it has a feature that automatically
shuts down the engine if it has been idling
for an extended period. The ignition also

Page 183 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Your vehicle has a fuel and water separator
that recirculates fuel from the engine to
help prevent fuel filter clogging. To avoid
engine fuel starvation during cold weather
operation of 32°F (0°C) o

Page 185 of 633

FORD F450 SUPER DUTY 2020  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