2021 FORD F-150 check engine

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Page 241 of 796

FORD F-150 2021  Owners Manual Starting the Engine
Turn the key to position III.  Release the
key when the engine starts.
PUSH BUTTON IGNITION
SWITCH
 (IF EQUIPPED) Switching the Ignition Off
When the ignition is on or in accessory

Page 242 of 796

FORD F-150 2021  Owners Manual STARTING A GASOLINE ENGINE -
VEHICLES WITH: PUSH BUTTON
START
Before starting your vehicle, check the
following:
•
Make sure that the headlamps and
electrical accessories are off.
• Make sure that

Page 243 of 796

FORD F-150 2021  Owners Manual 2. Press the push button ignition switch.
Note:
The engine may continue cranking
for up to 15 seconds or until it starts.
Note: The engine takes longer to start at
lower temperatures. It may crank for

Page 244 of 796

FORD F-150 2021  Owners Manual The system does not function if:
•
The passive key frequencies are
jammed.
• The key battery has no charge.
RESTARTING THE ENGINE AFTER
STOPPING IT - VEHICLES WITH:
PUSH BUTTON START
The system al

Page 245 of 796

FORD F-150 2021  Owners Manual •
Unplug and properly stow the system
before starting and driving your vehicle.
The protective cover seals the
terminals of the engine block heater
cord plug when not in use.
• Check the engine bl

Page 249 of 796

FORD F-150 2021  Owners Manual If it flashes, engine misfire could be
occurring. Increased exhaust gas
temperatures could damage the catalytic
converter or other vehicle components.
Avoid heavy acceleration and deceleration,
and ha

Page 256 of 796

FORD F-150 2021  Owners Manual WHAT IS AUTO-START-STOP
The system is designed to help reduce fuel
consumption and CO
2 emissions by
stopping the engine when it is idling, for
example at traffic lights.
AUTO-START-STOP
PRECAUTIONS W

Page 267 of 796

FORD F-150 2021  Owners Manual 4. Hold the fuel pump nozzle in position
A when refueling.  Holding the fuel
pump nozzle in position B can affect
the flow of fuel and shut off the fuel
pump nozzle before the fuel tank is full. 5. Op
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