catalytic converter LINCOLN MKZ 2017 Owners Manual

Powertrain Fault
Illuminates when a powertrain or
an AWD fault has been detected.
Contact your authorized dealer as
soon as possible.
Service Engine Soon If the service engine soon indicator
light stays illuminated after the
engine is started, it indicates that
the On Board Diagnostics system (OBD) has
detected a malfunction of the vehicle
emissions control system. Refer to On board
diagnostics (OBD) in the Fuel and Refueling
chapter for more information about having
your vehicle serviced. See Emission Control
System (page 170).
If the light is blinking, engine misfire is
occurring which could damage your catalytic
converter. Drive in a moderate fashion (avoid
heavy acceleration and deceleration) and
have your vehicle serviced immediately. WARNING
Under engine misfire conditions,
excessive exhaust temperatures could
damage the catalytic converter, the fuel
system, interior floor coverings or other
vehicle components, possibly causing a fire.
Have an authorized dealer service your
vehicle immediately. The service engine soon indicator light
illuminates when the ignition is first turned
on prior to engine start to check the bulb and
to indicate whether the vehicle is ready for
Inspection/Maintenance (I/M) testing.
Normally, the service engine soon light will
stay on until the engine is cranked, then turn
itself off if no malfunctions are present.
However, if after 15 seconds the service
engine soon light blinks eight times, it means
that the vehicle is not ready for I/M testing.
See
Emission Control System (page 170).
Stability Control It will flash when the system is
active. If it remains illuminated or
does not illuminate when you
switch the ignition on, this indicates a
malfunction. During a malfunction the system
will switch off. Have the system checked by
your authorized dealer immediately.
See
Using Stability Control (page 197).
Stability Control Off It will illuminate when you switch
the system off. It will go out when
you switch the system back on or
when you switch the ignition off. See Using
Stability Control
(page 197).
Trunk Ajar Displays when the ignition is on
and the trunk is not completely
closed.
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•
Turn the ignition off before fueling; an
inaccurate reading results if the engine
is left running.
• Use the same fill rate (low-medium-high)
each time the tank is filled.
• Allow no more than two automatic
click-offs when filling.
Results are most accurate when the filling
method is consistent.
Calculating Fuel Economy
Do not measure fuel economy during the
first 1000 miles (1600 kilometers) of driving
(this is your engine ’s break-in period); a more
accurate measurement is obtained after
2000 miles - 3000 miles (3200 kilometers -
4800 kilometers). Also, fuel expense,
frequency of fill ups or fuel gauge readings
are not accurate ways to measure fuel
economy.
1. Fill the fuel tank completely and record the initial odometer reading.
2. Each time you fill the tank, record the amount of fuel added. 3.
After at least three to five tank fill ups, fill
the fuel tank and record the current
odometer reading.
4. Subtract your initial odometer reading from the current odometer reading.
5. Calculate fuel economy by dividing miles
traveled by gallons used (For Metric:
Multiply liters used by 100, then divide
by kilometers traveled).
Keep a record for at least one month and
record the type of driving (city or highway).
This provides an accurate estimate of the
vehicle ’s fuel economy under current driving
conditions. Additionally, keeping records
during summer and winter show how
temperature impacts fuel economy. In
general, lower temperatures mean lower fuel
economy. EMISSION CONTROL SYSTEM WARNINGS
Do not park, idle, or drive your vehicle
in dry grass or other dry ground cover.
The emission system heats up the engine
compartment and exhaust system, which can
start a fire. Exhaust leaks may result in entry of
harmful and potentially lethal fumes
into the passenger compartment. If you smell
exhaust fumes inside your vehicle, have your
dealer inspect your vehicle immediately. Do
not drive if you smell exhaust fumes. Your vehicle is equipped with various
emission control components and a catalytic
converter that will enable your vehicle to
comply with applicable exhaust emission
standards. To make sure that the catalytic
converter and other emission control
components continue to work properly:
•
Use only the specified fuel listed.
• Avoid running out of fuel.
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