User Manual - Page 222

For 2021 F-150 King Ranch®.

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Why can I not start the engine?
If you cannot start the engine after 3
attempts, wait 10 seconds and do the
following:
1. Fully press the brake pedal or the
clutch pedal.
Note: Make sure that the parking brake is
applied.
Note: Make sure that the transmission is in
park (P) or neutral (N).
2. Fully press the accelerator pedal and
hold it there.
3. Press the push button ignition switch.
Note: The engine cranks for a short period
of time and then it stops.
4. Release the accelerator pedal.
E321258
5. Press the push button ignition switch.
Why does the system not detect a
passive key?
If the system does not detect a passive
key and you are unable to start the
engine, insert the passive key into the
backup position and press the push
button ignition switch to start the
engine. See Accessing the Passive
Key Backup Position (page 216).
Starting and Stopping the Engine
Frequently Asked Questions -
Diesel, Vehicles Without: Push
Button Start
Why is the engine idle speed high when
I am starting the engine?
The speed at which the engine idles
immediately after starting is optimized
to minimize vehicle emissions and
maximize cabin comfort and fuel
economy.
Why does the engine not crank?
You can only attempt to start the
engine for a limited amount of time
before the starting system temporarily
disables. If you exceed the starting
time limit, a message may appear and
you cannot attempt to start the engine
for at least 15 minutes.
Why do I experience different driving
characteristics?
If you disconnect the battery, your
vehicle may exhibit some unusual
driving characteristics for
approximately 5 mi (8 km) after you
reconnect it. This is because the engine
management system must realign
itself with the engine. You can
disregard any unusual driving
characteristics during this period.
Why can I not start the engine?
If you cannot start the engine, do the
following:
1. Fully press the brake pedal or the
clutch pedal.
Note: Make sure that the parking brake is
applied.
Note: Make sure that the transmission is in
park (P) or neutral (N).
219
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202007, First-Printing
Starting and Stopping the Engine
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