2018 FORD F-150 check engine light

ENGINE COOLANT CHECK
WARNING: Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for the cooling system to cool
down. Cover the coolant reservoir cap
with a thick cloth to prevent the
possibility of scalding and slowly remove
the cap. Failure to follow this instruction
could result in personal injury. WARNING:
Do not put coolant in
the windshield washer reservoir. If
sprayed on the windshield, coolant could
make it difficult to see through the
windshield. WARNING:
To reduce the risk of
personal injury, make sure the engine is
cool before unscrewing the coolant
pressure relief cap. The cooling system
is under pressure. Steam and hot liquid
can come out forcefully when you loosen
the cap slightly. WARNING:
Do not add coolant
further than the MAX mark.
When the engine is cold, check the
concentration and level of the coolant at
the intervals listed in the scheduled
maintenance information. See Scheduled
Maintenance
(page 561).
Note: Make sure that the coolant level is
between the
MIN and MAX marks on the
coolant reservoir.
Note: Coolant expands when it is hot. The
level may extend beyond the
MAX mark. Maintain coolant concentration within
48% to 50%, which equates to a freeze
point between
-29°F (-34°C) and -35°F
(-37°C). Coolant concentration should be
checked using a refractometer. We do not
recommend the use of hydrometers or
coolant test strips for measuring coolant
concentration.
Adding Coolant WARNING:
Do not add engine
coolant when the engine is hot. Failure
to follow this instruction could result in
personal injury. WARNING:
Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for the cooling system to cool
down. Cover the coolant reservoir cap
with a thick cloth to prevent the
possibility of scalding and slowly remove
the cap. Failure to follow this instruction
could result in personal injury. WARNING:
Do not put coolant in
the windshield washer reservoir. If
sprayed on the windshield, coolant could
make it difficult to see through the
windshield.
Note: Do not use stop leak pellets, cooling
system sealants, or non-specified additives
as they can cause damage to the engine
cooling or heating systems. Resulting
component damage may not be covered by
the vehicle Warranty.
Note: Automotive fluids are not
interchangeable.
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It is very important to use prediluted
coolant approved to the correct
specification in order to avoid plugging the
small passageways in the engine cooling
system. See Capacities and
Specifications (page 415). Do not mix
different colors or types of coolant in your
vehicle. Mixing of engine coolants or using
an incorrect coolant may harm the engine
or cooling system components and may
not be covered by the vehicle Warranty.
Note: If prediluted coolant is not available,
use the approved concentrated coolant
diluting it to 50/50 with distilled water. See
Capacities and Specifications (page 415).
Using water that has not been deionised
may contribute to deposit formation,
corrosion and plugging of the small cooling
system passageways.
Note: Coolants marketed for all makes and
models may not be approved to our
specifications and may cause damage to
the cooling system. Resulting component
damage may not be covered by the vehicle
Warranty.
If the coolant level is at or below the
minimum mark, add prediluted coolant
immediately.
To top up the coolant level do the
following:
1. Unscrew the cap slowly. Any pressure escapes as you unscrew the cap.
2. Add prediluted coolant approved to the correct specification. See
Capacities and Specifications (page
415
).
3. Add enough prediluted coolant to reach the correct level.
4. Replace the coolant reservoir cap, turn
it clockwise until you feel a strong
resistance. 5. Check the coolant level in the coolant
reservoir the next few times you drive
your vehicle. If necessary, add enough
prediluted engine coolant to bring the
coolant level to the correct level.
If you have to add more than
1.1 qt (1 L) of
engine coolant per month, have your
vehicle checked as soon as possible.
Operating an engine with a low level of
coolant can result in engine overheating
and possible engine damage.
Note: During normal vehicle operation, the
coolant may change color from orange to
pink or light red. As long as the coolant is
clear and uncontaminated, this color change
does not indicate the coolant has degraded
nor does it require the coolant to be drained,
the system to be flushed, or the coolant to
be replaced.
In case of emergency, you can add a large
amount of water without engine coolant
in order to reach a vehicle service location.
In this instance, qualified personnel:
1. Must drain the cooling system.
2. Chemically clean the coolant system.
3. Refill with engine coolant as soon as possible.
Water alone, without engine coolant, can
cause engine damage from corrosion,
overheating or freezing.
Do not use the following as a coolant
substitute:
• Alcohol.
• Methanol.
• Brine.
• Any coolant mixed with alcohol or
methanol antifreeze.
Alcohol and other liquids can cause engine
damage from overheating or freezing.
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F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201709, Fifth-Printing Maintenance

DRAINING THE FUEL FILTER
WATER TRAP
WARNING: Do not dispose of fuel
in the household refuse or the public
sewage system. Use an authorized waste
disposal facility.
Note: Only add fuel that meets the Ford
specification. See
Fuel Quality (page 187).
Note: The in-tank pump will turn off
automatically after approximately 30
seconds.
The fuel water trap is above the frame rail
under the driver side of the vehicle. Front of Vehicle.
A
1. Switch the ignition off.
2. Loosen the drain plug approximately one and a half turns.
3. Allow the water to drain.
4. Tighten the drain plug until you feel a strong resistance.
5. Key on for 30 seconds then key off. Repeat twice.
6. Start the engine.
7. Check for leaks. Note:
The water-in-fuel indicator lamp will
go out after approximately 2 seconds, with
the engine running.
FUEL FILTER - DIESEL
Your fuel filters must be changed at the
correct service interval or when you see the
low fuel pressure message appear. See
Scheduled Maintenance
(page 561).
FUEL FILTER - GASOLINE
Your vehicle is equipped with a lifetime
fuel filter that is integrated with the fuel
tank. Regular maintenance or replacement
is not needed.
CHANGING THE 12V BATTERY WARNING:
Batteries normally
produce explosive gases which can
cause personal injury. Therefore, do not
allow flames, sparks or lighted
substances to come near the battery.
When working near the battery, always
shield your face and protect your eyes.
Always provide correct ventilation. WARNING:
When lifting a
plastic-cased battery, excessive pressure
on the end walls could cause acid to flow
through the vent caps, resulting in
personal injury and damage to the
vehicle or battery. Lift the battery with a
battery carrier or with your hands on
opposite corners.
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General
•
Store all vehicles in a dry, ventilated
place.
• Protect from sunlight, if possible.
• If vehicles are stored outside, they
require regular maintenance to protect
against rust and damage.
Body
• Wash your vehicle thoroughly to
remove dirt, grease, oil, tar or mud from
exterior surfaces, rear-wheel housing
and the underside of front fenders.
• Periodically wash your vehicle if it is
stored in exposed locations.
• Touch-up exposed or primed metal to
prevent rust.
• Cover chrome and stainless steel parts
with a thick coat of auto wax to prevent
discoloration. Re-wax as necessary
when you wash your vehicle.
• Lubricate all hood, door and luggage
compartment hinges and latches with
a light grade oil.
• Cover interior trim to prevent fading.
• Keep all rubber parts free from oil and
solvents.
Engine
• Change the engine oil and filter prior to
storage because used engine oil
contains contaminates which may
cause engine damage.
• Start the engine every 15 days for a
minimum of 15 minutes. Run at fast idle
with the climate controls set to defrost
until the engine reaches normal
operating temperature. •
With your foot on the brake, shift
through all the gears while the engine
is running.
• We recommend that you change the
engine oil before you use your vehicle
again.
Fuel system
• Fill the fuel tank with high-quality fuel
until the first automatic shutoff of the
fuel pump nozzle.
Cooling system
• Protect against freezing temperatures.
• When removing your vehicle from
storage, check coolant fluid level.
Confirm that there are no cooling
system leaks and that fluid is at the
recommended level.
Battery
• Check and recharge as necessary. Keep
connections clean.
• If storing your vehicle for more than 30
days without recharging the battery,
we recommend that you disconnect
the battery cables to maintain battery
charge for quick starting.
Note: It is necessary to reset memory
features if battery cables are disconnected.
Brakes
• Make sure the brakes and parking brake
release fully.
Tires
• Maintain recommended air pressure.
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WARNING: The jack should be
used on level firm ground wherever
possible. WARNING:
Check that the vehicle
jack is not damaged or deformed and
the thread is lubricated and clean. WARNING:
Never place anything
between the vehicle jack and the ground. WARNING:
Never place anything
between the vehicle jack and your
vehicle. WARNING:
It is recommended
that the wheels of the vehicle be
chocked, and that no person should
remain in a vehicle that is being jacked. WARNING:
Switch off the running
boards before jacking or placing any
object under your vehicle. Never place
your hand between the extended running
board and your vehicle. A moving running
board may cause injury.
Note: Only use the spare tire carrier to stow
the tire and wheel combination provided
with your vehicle. Other tire and wheel
combinations can cause the tire carrier to
fail.
Note: Do not use impact tools or power
tools operating at over 200 RPM on the
spare tire carrier, this may cause a winch
malfunction and prevent a secure fit.
Override the winch at least three times,
there's an audible click each time, to make
sure the wheel and tire have been tightened
securely.
Note: Passengers should not remain in the
vehicle when the vehicle is being jacked. Park on a level surface, activate the hazard
flashers and set the parking brake. Then,
place the transmission in park (P) and turn
the engine off.
Remove the Vehicle Jack and Tool
Bag
The vehicle jack and tool bag are on the
rear passenger side of your vehicle, behind
the passenger seat.
1. Remove the foam top.
2. Release the strap securing the vehicle
jack and tool bag to the vehicle.
3. With slight downward pressure, slide the vehicle jack and tool bag outward,
toward the passenger side of the
vehicle.
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F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201709, Fifth-Printing Wheels and TiresE233621 E233622

Cell phone issues
Possible solution
Possible cause
Issue
Refer to your device's manual about audio
adjustments.
The audio control
settings on your cell
phone may be affecting
SYNC 3 performance.
There is back-
ground noise
during a phone
call.
Try switching your cell phone off, resetting
it or removing the battery, then try again.
Possible cell phone
malfunction.
During a call, I
can hear the
other person
but they cannot
hear me.
Make sure that the microphone for SYNC
3 is not set to off. Look for the microphone
icon on the phone screen.
To restart your system, shut down the
engine, open and close the door, and then
lock the door and wait for 2-3 minutes.
Make sure that your SYNC 3 screen is black
and the lighted USB port is off.
The system may need to
be restarted.
During a call, I
cannot hear the
other person
and they cannot
hear me.
Check your cell phone's compatibility.
This is a cell phone-
dependent feature.
SYNC 3 is not
able to down-
load my phone-
book. Make sure you allow SYNC 3 to retrieve
contacts from your phone. Refer to your
cell manual.
Possible cell phone
malfunction. You must switch on your cell phone and
the automatic phonebook download
feature on SYNC 3.
Try switching your cell phone off, resetting
it or removing the battery, then try again.
Make sure you allow SYNC 3 to retrieve
contacts from your phone. Refer to your
cell manual.
Limitations on your cell
phone's capability.
The system
says "Phone-
book down-
loaded" but my
SYNC 3 phone-
book is empty or
is missing
contacts. If the missing contacts are stored on your
SIM card, move them to your cell phone's
memory.
You must switch on your cell phone and
the automatic phonebook download
feature on SYNC 3.
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F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201709, Fifth-Printing SYNC™ 3 (If Equipped)

Check Every Month
Air filter restriction gauge. Engine oil level.
Function of all interior and exterior lights.
Tires including the spare for wear and proper pressure. Windshield washer fluid level.
Fuel and water separator. Drain if necessary or if indicated by the information display. Holes and slots in the tail pipe to make sure they are functional and clear of debris. Check Every Six Months
Battery connections. Clean if necessary.
Body and door drain holes for obstructions. Clean if necessary. Cooling system fluid level and coolant strength.
Door weatherstrips for wear. Lubricate if necessary.
Hinges, latches and outside locks for proper operation. Lubricate if necessary. Parking brake for proper operation.
Safety belts and seat latches for wear and function.
Safety warning lamps, brake, ABS, airbag and safety belt for operation.
Washer spray and wiper operation. Clean or replace blades as necessary.
Multi-Point Inspection
In order to keep your vehicle running right,
it is important to have the systems on your
vehicle checked regularly. This can help
identify potential issues and prevent major
problems. We recommend having the
following multi-point inspection performed
at every scheduled maintenance interval
to help make sure your vehicle keeps
running great.
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F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201709, Fifth-Printing Scheduled Maintenance

Changing a Bulb..........................................364
Accessing the Halogen High Beam, Low
Beam and Direction Indicator
Bulbs................................................................. 365
Replacing Brake, Rear, Direction Indicator and Reverse Lamp Bulbs........................... 367
Replacing Cargo Lamp and High-mount Brake Lamp Bulbs......................................... 367
Replacing Exterior Mounted Mirror Direction Indicator Lamp Bulbs................................. 368
Replacing Fog Lamp Bulbs............................ 366
Replacing LED Brake, Rear, Direction Indicator and Reverse Lamp Bulbs........367
Replacing LED Cargo Lamp, Spot Lamp and High-mount Brake Lamp Bulbs..............368
Replacing LED Direction Indicator and Side Marker Bulbs................................................... 367
Replacing LED Headlamp Bulbs.................. 367
Replacing Side Marker Bulb.......................... 366
Replacing the Halogen High Beam, Low Beam and Direction Indicator
Bulbs................................................................. 365
Replacing the License Plate Lamp Bulb................................................................... 368
Changing a Fuse..........................................343 Fuses...................................................................... 343
Changing a Road Wheel...........................405 Dissimilar Spare Wheel and Tire Assembly
Information
..................................................... 405
Jacking the Vehicle........................................... 409
Remove the Vehicle Jack and Tool Bag..................................................................... 407
Removing the Spare Tire............................... 408
Stowing the Flat or Spare Tire........................ 411
Stowing the Vehicle Jack and Tool Bag....................................................................... 411
Tire Change Procedure................................... 406
Changing the 12V Battery........................360 Battery Management System....................... 362
Changing the Engine Air Filter - Diesel.............................................................370
Air Filter Restriction Gauge.............................. 371
Changing the Engine Air Filter - Gasoline.......................................................370
Changing the Wiper Blades
.....................363
Checking MyKey System Status...............65
Checking the Wiper Blades
.....................362 Child Restraint and Seatbelt
Maintenance.................................................44
Child Restraint Positioning
.........................33
Child Safety.......................................................18
General Information............................................. 18
Child Safety Locks
.........................................35
Left-Hand Side...................................................... 35
Right-Hand Side................................................... 35
Cleaning Leather Seats.............................378 With King Ranch Edition................................. 378
Without King Ranch Edition.......................... 378
Cleaning Products
.......................................373
Materials................................................................ 373
Cleaning the Engine....................................375
Cleaning the Exhaust..................................375
Cleaning the Exterior..................................373 Cleaning the Headlamps................................ 374
Exterior Chrome Parts...................................... 374
Exterior Plastic Parts......................................... 374
Stripes or Graphics............................................ 374
Underbody............................................................ 374
Under Hood.......................................................... 374
Cleaning the Instrument Panel and Instrument Cluster Lens.........................377
Cleaning the Interior
...................................376
Mirrors..................................................................... 377
Cleaning the Wheels..................................379
Cleaning the Windows and Wiper Blades............................................................376
Clearing All MyKeys.......................................65
Climate...........................................................509
Climate Control.............................................143
Coolant Check See: Engine Coolant Check............................ 354
Crash Sensors and Airbag Indicator.......54
Creating a MyKey...........................................64 Programming/Changing Configurable
Settings............................................................... 64
Cross Traffic Alert.........................................261 Blocked Sensors................................................ 263
Switching the System Off and On..............263
System Errors...................................................... 263
System Lights, Messages and Audible Alerts................................................................. 263
System Limitations........................................... 263
Using the Cross Traffic Alert System..........261
Cruise Control.................................................86 Principle of Operation...................................... 244
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F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201709, Fifth-Printing Index