2013 LINCOLN MKZ service engine soon

Illumination of the service engine soon
indicator, charging system warning
light or the temperature warning light,
fluid leaks, strange odors, smoke or
loss of engine power could indicate
that the emission control system is
not working properly.
An improperly operating or damaged
exhaust system may allow exhaust to
enter the vehicle. Have a damaged or
improperly operating exhaust system
inspected and repaired immediately.
Do not make any unauthorized
changes to your vehicle or engine. By
law, vehicle owners and anyone who
manufactures, repairs, services, sells,
leases, trades vehicles, or supervises
a fleet of vehicles are not permitted
to intentionally remove an emission
control device or prevent it from
working. Information about your
vehicle
’s emission system is on the
Vehicle Emission Control Information
Decal located on or near the engine.
This decal also lists engine
displacement
Please consult your warranty
information for complete details. On-Board Diagnostics (OBD-II)
Your vehicle is equipped with a
computer that monitors the engine
’s
emission control system. This system
is commonly known as the on-board
diagnostics system (OBD-II). The
OBD-II system protects the
environment by ensuring that your
vehicle continues to meet government
emission standards. The OBD-II
system also assists your authorized
dealer in properly servicing your
vehicle. When the service engine
soon indicator illuminates,
the OBD-II system has
detected a malfunction. Temporary
malfunctions may cause the service
engine soon indicator to illuminate.
Examples are:
1. The vehicle has run out of fuel —the
engine may misfire or run poorly.
2. Poor fuel quality or water in the fuel —the engine may misfire or run
poorly.
3. The fuel fill inlet may not have been properly closed. See
Refueling (page 158).
4. Driving through deep water —the
electrical system may be wet.
162
Fuel and Refueling

These temporary malfunctions can
be corrected by filling the fuel tank
with good quality fuel, properly closing
the fuel fill inlet or letting the electrical
system dry out. After three driving
cycles without these or any other
temporary malfunctions present, the
service engine soon indicator should
stay off the next time the engine is
started. A driving cycle consists of a
cold engine startup followed by mixed
city/highway driving. No additional
vehicle service is required.
If the service engine soon indicator
remains on, have your vehicle serviced
at the first available opportunity.
Although some malfunctions
detected by the OBD-II may not have
symptoms that are apparent,
continued driving with the service
engine soon indicator on can result in
increased emissions, lower fuel
economy, reduced engine and
transmission smoothness, and lead
to more costly repairs.
Readiness for
Inspection/Maintenance (I/M)
Testing
Some state/provincial and local
governments may have
Inspection/Maintenance (I/M)
programs to inspect the emission
control equipment on your vehicle.
Failure to pass this inspection could
prevent you from getting a vehicle
registration. If the service engine soon
indicator is on or the bulb
does not work, the vehicle
may need to be serviced. See
On-Board Diagnostics.
Your vehicle may not pass the I/M test
if the service engine soon indicator is
on or not working properly (bulb is
burned out), or if the OBD-II system
has determined that some of the
emission control systems have not
been properly checked. In this case,
the vehicle is considered not ready for
I/M testing.
If the vehicle ’s engine or transmission
has just been serviced, or the battery
has recently run down or been
replaced, the OBD-II system may
indicate that the vehicle is not ready
for I/M testing. To determine if the
vehicle is ready for I/M testing, turn
the ignition key to the on position for
15 seconds without cranking the
engine. If the service engine soon
indicator blinks eight times, it means
that the vehicle is not ready for I/M
testing; if the service engine soon
indicator stays on solid, it means that
the vehicle is ready for I/M testing.
The OBD-II system is designed to
check the emission control system
during normal driving. A complete
check may take several days. If the
vehicle is not ready for I/M testing, the
following driving cycle consisting of
mixed city and highway driving may
be performed:
163
Fuel and Refueling

USING ALL-WHEEL DRIVE
All-wheel drive uses all four wheels
to power the vehicle. This increases
traction, enabling you to drive over
terrain and road conditions that a
conventional two-wheel drive vehicle
cannot. The AWD system is active all
the time and requires no input from
the operator.
Note:
Your AWD vehicle is not
intended for off-road use. The AWD
feature gives your vehicle some limited
off-road capabilities in which driving
surfaces are relatively level,
obstruction-free and otherwise similar
to normal on-road driving conditions.
Operating your vehicle under other than
those conditions could subject the
vehicle to excessive stress which might
result in damage which is not covered
under your warranty.
Note: A warning message will be
displayed in the information display
when an AWD system fault is present
See Information Messages (page 105).
An AWD system fault will cause the
AWD system to default to front-wheel
drive only mode. When this warning
message is displayed, have your vehicle
serviced at an authorized dealer Note:
A warning message will be
displayed in the information display if
the AWD system has overheated See
Information Messages (page 105).
This condition may occur if the vehicle
was operated in extreme conditions
with excessive wheel slip, such as deep
sand. To resume normal AWD function
as soon as possible, stop the vehicle in
a safe location and stop the engine for
at least 10 minutes. After the engine
has been restarted and the AWD
system has adequately cooled, the
warning message will turn off and
normal AWD function will return.
Do not use a spare tire of a different
size other than the tire provided. If the
mini-spare tire is installed, the AWD
system may disable automatically
and enter front-wheel drive only mode
to protect driveline components. This
condition will be indicated by a
warning in the information display
See
Information Messages (page
105). If there is a warning message in
the information display from using the
spare tire, this indicator should turn
off after reinstalling the repaired or
replaced normal road tire and cycling
the ignition off and on. It is
recommended to reinstall the repaired
or replaced road tire as soon as
possible. Major dissimilar tire sizes
between the front and rear axles
could cause the AWD system to stop
functioning and default to front-wheel
drive or damage the AWD system.
171
All-Wheel Drive
(If Equipped)

Note:
For best results, coolant
concentration should be tested with a
refractometer such as Rotunda tool
300-ROB75240 available from your
authorized dealer. Ford does not
recommend the use of hydrometers or
coolant test strips for measuring
coolant concentrations.
Note: Automotive fluids are not
interchangeable. Do not use engine
coolant or antifreeze or windshield
washer fluid outside of its specified
function and vehicle location.
Adding Engine Coolant WARNINGS
Do not add engine coolant when
the engine is hot. Steam and
scalding liquids released from a hot
cooling system can burn you badly.
Also, you can be burned if you spill
coolant on hot engine parts. Do not put engine coolant in the
windshield washer fluid
container. If sprayed on the
windshield, engine coolant could
make it difficult to see through the
windshield. 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 the cap is loosened slightly. Do not add coolant further than
the MAX mark. Note:
Do not use stop leak pellets,
cooling system sealants, or additives
as they can cause damage to the
engine cooling or heating systems. This
damage would not be covered under
your vehicle ’s warranty.
Note: During normal vehicle operation,
the engine coolant may change color
from orange to pink or light red. As long
as the engine coolant is clear and
uncontaminated, this color change
does not indicate the engine coolant
has degraded nor does it require the
engine coolant to be drained, the
system to be flushed, or the engine
coolant to be replaced.
• Do not mix different colors or types
of coolant in your vehicle. Make
sure the correct coolant is used.
Mixing of engine coolants may
harm your engine ’s cooling system.
The use of an improper coolant
may harm engine and cooling
system components and may void
the warranty. Use prediluted
engine coolant meeting the Ford
specification. See Capacities and
Specifications (page 325).
• In case of emergency, a large
amount of water without engine
coolant may be added in order to
reach a vehicle service location. In
this instance, the cooling system
must be drained, chemically
cleaned with Motorcraft®
Premium Cooling System Flush,
and refilled with prediluted engine
coolant as soon as possible. Water
alone (without engine coolant)
can cause engine damage from
corrosion, overheating or freezing.
269
Maintenance

What you Should Know About
Fail-Safe Cooling
If the engine coolant supply is
depleted, this feature allows the
vehicle to be driven temporarily before
incremental component damage is
incurred. The
“fail-safe” distance
depends on ambient temperatures,
vehicle load and terrain.
How Fail-Safe Cooling Works
If the engine begins to overheat, the
engine coolant temperature gauge
will move to the red (hot) area and: The coolant temperature
warning light will illuminate.
The service engine soon
indicator will illuminate.
If the engine reaches a preset
over-temperature condition, the
engine will automatically switch to
alternating cylinder operation. Each
disabled cylinder acts as an air pump
and cools the engine.
When this occurs the vehicle will still
operate. However:
• The engine power will be limited.
• The air conditioning system will be
disabled.
Continued operation will increase the
engine temperature and the engine
will completely shut down, causing
steering and braking effort to increase. Once the engine temperature cools,
the engine can be re-started. Take
your vehicle to an authorized dealer
as soon as possible to minimize
engine damage.
When Fail-Safe Mode Is Activated WARNINGS
Fail-safe mode is for use during
emergencies only. Operate the
vehicle in fail-safe mode only as long
as necessary to bring the vehicle to
rest in a safe location and seek
immediate repairs. When in fail-safe
mode, the vehicle will have limited
power, will not be able to maintain
high-speed operation, and may
completely shut down without
warning, potentially losing engine
power, power steering assist, and
power brake assist, which may
increase the possibility of a crash
resulting in serious injury. Never remove the coolant
reservoir cap while the engine is
running or hot. You have limited engine power when
in the fail-safe mode, so drive the
vehicle with caution. The vehicle will
not be able to maintain high-speed
operation and the engine will run
rough. Remember that the engine is
capable of completely shutting down
automatically to prevent engine
damage, therefore:
1. Pull off the road as soon as safely
possible and turn off the engine.
2. Arrange for the vehicle to be taken
to an authorized dealer.
271
Maintenance

3. If this is not possible, wait a short
period for the engine to cool.
4. Check the coolant level and replenish if low.
5. Re-start the engine and take your vehicle to an authorized dealer.
Note: Driving the vehicle without
repairing the engine problem increases
the chance of engine damage. Take
your vehicle to an authorized dealer as
soon as possible.
AUTOMATIC
TRANSMISSION FLUID
CHECK
Note: Transmission fluid should be
checked by an authorized dealer. If
required, fluid should be added by an
authorized dealer.
The automatic transmission does not
have a transmission fluid dipstick.
Have an authorized dealer check and
change the transmission fluid and
filter at the correct service interval.
See Scheduled Maintenance (page
440). Your transmission does not
consume fluid. However, the fluid level
should be checked if the transmission
is not working properly, or if you notice
some sign of fluid leakage.
Do not use supplemental transmission
fluid additives, treatments or cleaning
agents. The use of these materials
may affect transmission operation
and result in damage to internal
transmission components. 6F35/HF35 transmission
(If
Equipped)
Note: Transmission fluid should be
checked by an authorized dealer. If
required, fluid should be added by an
authorized dealer.
The automatic transmission does not
have a transmission fluid dipstick.
Refer to your scheduled maintenance
information for scheduled intervals
for fluid checks and changes. Your
transmission does not consume fluid.
However, the fluid level should be
checked if the transmission is not
working properly, (For example: if the
transmission slips or shifts slowly) or
if you notice some sign of fluid
leakage. See
Scheduled
Maintenance (page 440).
Do not use supplemental transmission
fluid additives, treatments or cleaning
agents. The use of these materials
may affect transmission operation
and result in damage to internal
transmission components.
6F50/6F55 Transmission
(If
Equipped) WARNINGS
The dipstick cap and surrounding
components may be hot; gloves
are recommended. Use gloves when moving the air
filter assembly. Components will
be hot. 272
Maintenance

W
Warning Lamps and Indicators.......95
Adaptive Cruise Control..........................95
Anti-Lock Braking System......................96
Battery........................................................... 96
Blind Spot Monitor....................................96
Brake System.............................................. 96
Cruise Control............................................. 96
Direction Indicator.....................................96
Door Ajar....................................................... 96
Electric Park Brake....................................96
Engine Coolant Temperature.................97
Engine Oil...................................................... 97
Fasten Safety Belt......................................97
Front Airbag.................................................. 97
Front Fog Lamps .......................................97
Heads Up Display.......................................97
High Beam..................................................... 97
Hood Ajar....................................................... 97
Lane Keeping Aid........................................97
Low Fuel Level............................................. 97
Low Tire Pressure Warning....................98
Low Washer Fluid......................................98
Parking Lamps............................................ 98
Powertrain Fault.........................................98
Service Engine Soon.................................98
Stability Control.........................................99
Stability Control Off..................................99
Trunk Ajar...................................................... 99
Washer Fluid Check............................277
Washers See: Cleaning the Exterior....................284
See: Wipers and Washers.......................79
Waxing...................................................285
Wheels and Tires................................292
Technical Specifications.......................324
Windows and Mirrors...........................87
Windshield Washers
...........................80
Windshield Wipers...............................79
Intermittent Wipe.......................................79
Speed Dependent Wipers.......................79 Wipers and Washers............................79
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