2021 FORD TRANSIT check engine light

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.
Miscellaneous
• Make sure all linkages, cables, levers
and pins under your vehicle are covered
with grease to prevent rust.
• Move vehicles at least 25 ft (7.5 m)
every 15 days to lubricate working parts
and prevent corrosion.
Removing Vehicle From Storage
When your vehicle is ready to come out of
storage, do the following:
• Wash your vehicle to remove any dirt
or grease film build-up on window
surfaces.
• Check windshield wipers for any
deterioration.
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2021 Transit (TTH) Canada/United States of America, MK3J 19A321 AA enUSA, Edition date: 202010, Second-Printing Vehicle Care

When the oil change message appears in
the information display, it is time for an oil
change. Make sure you perform the oil
change within two weeks or 500 miles
(800 kilometers) of the message
appearing. Make sure you reset the
Intelligent Oil-Life Monitor after each oil
change. See Changing the Engine Oil
and Oil Filter (page 283).
If your information display resets
prematurely or becomes inoperative, you
should perform the oil change interval at
six months or
5,000 mi (8,000 km) from
your last oil change. Never exceed one year
or
10,000 mi (16,000 km) between oil
change intervals.
Your vehicle is very sophisticated and built
with multiple, complex, performance
systems. Every manufacturer develops
these systems using different
specifications and performance features.
That is why it is important to rely upon your
dealership to correctly diagnose and repair
your vehicle.
Ford Motor Company has recommended
maintenance intervals for various parts
and component systems based upon
engineering testing. Ford Motor Company
relies upon this testing to determine the
most appropriate mileage for replacement
of oils and fluids to protect your vehicle at
the lowest overall cost to you and
recommends against maintenance
schedules that deviate from the scheduled
maintenance information.
We strongly recommend the use of only
genuine Ford, Motorcraft or
Ford-authorized re-manufactured
replacement parts engineered for your
vehicle. Additives and Chemicals
This owner's manual and the Ford
Workshop Manual list the recommended
additives and chemicals for your vehicle.
We do not recommend using chemicals or
additives not approved by us as part of
your vehicle
’s normal maintenance. Please
consult your warranty information.
Oils, Fluids and Flushing
In many cases, fluid discoloration is a
normal operating characteristic and, by
itself, does not necessarily indicate a
concern or that the fluid needs to be
changed. However, a qualified expert, such
as the factory-trained technicians at your
dealership, should inspect discolored fluids
that also show signs of overheating or
foreign material contamination
immediately.
Make sure to change your vehicle ’s oils and
fluids at the specified intervals or in
conjunction with a repair. Flushing is a
viable way to change fluid for many vehicle
sub-systems during scheduled
maintenance. It is critical that systems are
flushed only with new fluid that is the same
as that required to fill and operate the
system or using a Ford-approved flushing
chemical.
Owner Checks and Services
Make sure you perform the following basic
maintenance checks and inspections every
month or at six-month intervals. Check every month
Engine oil level.
Function of all interior and exterior lights.
Tires (including spare) for wear and
correct pressure.
Windshield washer fluid level.
447
2021 Transit (TTH) Canada/United States of America, MK3J 19A321 AA enUSA, Edition date: 202010, Second-Printing Scheduled Maintenance

C
California Proposition 65 - United States
of America..................................................458
Capacities and Specifications - 3.5L Duratec.........................................................358
Air Conditioning System................................. 358
Brake System....................................................... 361
Engine.................................................................... 359
Engine Coolant................................................... 360
Fuel Tank................................................................ 361
Grease.................................................................... 362
Locks...................................................................... 362
Rear Axle............................................................... 362
Washer Reservoir................................................ 361
Capacities and Specifications - 3.5L Ecoboost™.................................................363
Air Conditioning System................................. 363
Brake System....................................................... 367
Engine.................................................................... 364
Engine Coolant................................................... 366
Fuel Tank.............................................................. 366
Grease....................................................................368
Locks...................................................................... 368
Rear Axle............................................................... 367
Washer Reservoir............................................... 366
Capacities and Specifications................352
Cargo Lamps.................................................106 Switching the Cargo Lamps Off................... 106
Switching the Cargo Lamps On.................... 106
Car Wash See: Cleaning the Exterior.............................. 303
Catalytic Converter - 3.5L Duratec/3.5L Ecoboost™..................................................159
On-Board Diagnostics System..................... 160
Changing a Bulb..........................................296 Front Clearance Lamp..................................... 298
Headlamp............................................................ 296
High Mounted Stoplamps.............................. 299
Interior Lamp....................................................... 299
License Plate Lamp.......................................... 299
Reading Lamps.................................................. 300
Rear Lamps......................................................... 298
Side Direction Indicator................................... 298
Sun Visor Mirror Lamp.................................... 300
Changing a Fuse
...........................................276
Fuses....................................................................... 276Changing a Road Wheel...........................339
Dissimilar Spare Wheel and Tire Assembly
Information..................................................... 340
Front Jacking Points......................................... 345
Installing a Road Wheel.................................. 348
Locking Lug Nuts................................................ 341
Rear Jacking Points........................................... 345
Removing a Road Wheel................................ 348
Removing a Wheel Trim.................................. 346
Stowing the Wheel and Vehicle Jack.........350
Vehicle Jack......................................................... 344
Vehicles With a Spare Wheel......................... 341
Changing the 12V Battery.........................290 Removing the Battery....................................... 291
Replacing the Battery....................................... 292
Changing the Engine Air Filter................284
Changing the Engine Oil and Oil Filter...............................................................283
Engine Lubrication for Severe Service Operation......................................................... 283
Changing the Front Wiper Blades
.........295
Changing the Vehicle Wi-Fi Hotspot Name or Password...................................375
Checking MyKey System Status
...............74
Checking the Wiper Blades.....................294
Child Restraint and Seatbelt Maintenance.................................................49
Child Restraint Positioning.........................39
Child Safety
.......................................................19
General Information............................................. 19
Child Safety Locks..........................................41 Left-Hand Side...................................................... 42
Right-Hand Side................................................... 42
Cigar Lighter
...................................................140
Cleaning Products.......................................302
Cleaning the Engine
...................................304
Cleaning the Exterior..................................303 Body Paintwork Preservation....................... 304
Cleaning the Chrome Trim............................. 303
Cleaning the Headlamps................................ 303
Cleaning the Rear Window............................ 303
Sliding Door Tracks........................................... 304
Cleaning the Instrument Panel and Instrument Cluster Lens
.........................307
Cleaning the Interior...................................305 Fabric, Carpets, Cloth Seats, Headliners
and Floor Mats.............................................. 305
493
2021 Transit (TTH) Canada/United States of America, MK3J 19A321 AA enUSA, Edition date: 202010, Second-Printing Index

Using Traction Control...............................180
Switching the System Off or On................... 180
System Indicator Lights and Messages......................................................... 180
Using Voice Recognition...........................382 Apps........................................................................\
407
Automatic Blower Motor Speed Reduction ........................................................ 408
Climate................................................................. 404
Entertainment.................................................... 403
General.................................................................. 402
Initiating a Voice Session................................ 384
Navigation........................................................... 406
Phone.................................................................... 405
Phone Voice Service......................................... 382
SiriusXM Traffic and Travel Link................... 407
System Interaction and Feedback..............385
Voice Settings.................................................... 408
Using Winter Tires.......................................332
Utilizing the Mediation/Arbitration Program (Canada Only)
........................259
V
Vehicle Care...................................................302
Vehicle Identification Number
................356
Vehicle Storage............................................308 Battery................................................................... 309
Body....................................................................... 309
Brakes.................................................................... 309
Cooling system.................................................. 309
Engine.................................................................... 309
Fuel system......................................................... 309
General.................................................................. 308
Miscellaneous.................................................... 309
Removing Vehicle From Storage.................309
Tires........................................................................\
309
Vehicle Wi-Fi Hotspot................................375
Ventilation See: Climate Control.......................................... 122
VIN See: Vehicle Identification Number............356
W
Warning Lamps and Indicators.................111
Washer Fluid Check....................................294 Washers
See: Cleaning the Exterior.............................. 303
See: Wipers and Washers................................. 97
Waxing............................................................304
What Is 911 Assist............................................61
What Is a Connected Vehicle...................371
What Is Auto-Start-Stop...........................148
What Is Remote Start.................................120
What Is the Cabin Air Filter.......................125
What Is the Electric Parking Brake..........177
What is the Rear Occupant Alert System...........................................................136
Wheel Nuts See: Changing a Road Wheel....................... 339
Wheels and Tires...........................................311 General Information........................................... 311
Windows and Mirrors..................................107
Windshield Washers.....................................99 Settings................................................................... 99
Windshield Wipers.........................................97 Intermittent Wipe................................................. 97
Winter Tires See: Using Winter Tires.................................... 332
Wiper Blades See: Checking the Wiper Blades.................. 294
Wipers and Washers.....................................97
505
2021 Transit (TTH) Canada/United States of America, MK3J 19A321 AA enUSA, Edition date: 202010, Second-Printing Index