User Manual - Page 175

For 2020 Super Duty F-250 XL.

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preventing engine damage due to lack of
proper lubrication. After the 30 second
warm-up period, the accelerator pedal
becomes operational again and a message
appears informing you the vehicle is ok to
drive.
When you start the engine in extremely
cold temperatures -15°F (-26°C), we
recommend that you allow the engine to
idle for several minutes before you drive
the vehicle.
Before starting the engine check the
following:
Make sure all occupants fasten their
seatbelt.
Make sure the headlamps and
electrical accessories are off.
Make sure the parking brake is on.
Make sure the transmission is in park
(P).
Note: Do not press the accelerator during
starting.
Vehicles with an Ignition Key
Note: Do not touch the accelerator pedal.
1. Fully press the brake pedal.
2. Turn the key to position II
Note: A message appears: Engine Start
Pending, Please Wait.
3. Wait until the engine glow-plug
indicator turns off.
4. Turn the key to position III to start the
engine.
5. 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 does not start, switch the
ignition off and wait 30 seconds before
trying again.
Vehicles with Keyless Start
Note: Do not touch the accelerator pedal.
Note: If the push button ignition switch is
pressed again prior to the engine starting,
the ignition switches to accessory mode and
does not start.
Note: If you release the brake pedal before
the engine starts, follow the engine start
sequence again.
1. Fully press the brake pedal.
2. Press the center of the push button
ignition switch.
Note: A message appears: Engine Start
Pending, Please Wait.
3. When the engine starts, release the
brake pedal.
Diesel Engine Fast Start Glow Plug
System
The diesel engine glow system consists of:
Eight glow plugs, one per cylinder.
Glow Plug Control Module.
Engine Coolant Temperature sensor.
Barometric pressure sensor.
Environmental temperature sensor.
The powertrain and glow plug control
modules electronically control the glow
plug system. After you switch the ignition
on, the glow plug control module
immediately energizes the glow plugs. The
glow plug control module uses the engine
coolant temperature, barometric pressure
sensor and environmental temperature
sensor to determine how long the glow
plugs stay energized. The required time for
the glow plugs to be energized decreases
as the coolant temperature, barometric
pressure and environmental temperature
increase.
172
Super Duty (TFE), enUSA, Edition date: 201909, Third-Printing-
Starting and Stopping the Engine
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