Mitsubishi MOTORS Lancer 2017, Owner'S Manual

Page: 341 / 385

Emission-control system maintenance
9-22 Vehicle care and maintenance
9
N00940800201
Your vehicle is equipped with an emission-
control system that meets all the requirements
of the U.S. Environmental Protection Agency
and Environment Canada. The emission-con-
trol system is made of:
 a positive crankcase ventilation system
 an evaporative emission-control system
 an exhaust emission-control system
The maintenance services listed in the
“WARRANTY AND MAINTENANCE
MANUAL” must be performed at the times
or mileages listed to keep the emission-con-
trol system working properly. These, and all
the other “general” maintenance services
listed in this manual, need to be performed to
keep your vehicle running properly and reli-
ably.
You may need more frequent maintenance if
you drive your vehicle in harsh conditions
such as dusty areas or do a lot of start-and-
stop driving.
To be sure the emission-control system works
properly, have your vehicle inspected and
maintained by an authorized Mitsubishi
Motors dealer or a repair facility of your
choice following the schedule in the “WAR-
RANTY AND MAINTENANCE MAN-
UAL”.
You should also have an inspection and ser-
vice any time you suspect a malfunction.
N00940900215
Spark plugs must fire properly for good
engine performance and emission-control.
Do not reuse them by cleaning or regapping.
Change them at the mileage listed in the
“WARRANTY AND MAINTENANCE
MANUAL”.
N00941000037
Check the hose surfaces for any heat and
mechanical damage, hard and brittle rubber,
cracking, tears, cuts and abrasions. Pay spe-
cial attention to the hoses closest to high heat
sources such as the exhaust manifold. Check
all the hose connections, such as clamps and
couplings, to make sure they are secure and
that there are no leaks. If you see any wear or
damage, replace the hoses immediately.
N00950100050
Have the valve clearance checked at an
authorized Mitsubishi Motors dealer at the
mileage specified in the “WARRANTY AND
MAINTENANCE MANUAL”.
If the engine sounds abnormally loud, have
adjustments made by an authorized
Mitsubishi Motors dealer.
Emission-control system
maintenance
NOTE
 To meet government regulations and pro-
mote cleaner air, your vehicle is equipped
with an onboard diagnostic system (OBD).
The engine electronic control module that
controls OBD functions stores various data
(especially about the exhaust emissions).
This data will be erased if the battery cable is
disconnected, which could make a rapid
diagnosis difficult. Do not disconnect the
battery cable when the engine malfunction
indicator (“SERVICE ENGINE SOON” or
“Check engine light”) is on.
Spark plugs
NOTE
 Use the spark plugs listed under “Engine
specifications” on page 11-5 or plugs that are
exactly the same. Other plugs could cause
engine damage, performance problems or
radio noise.
Fuel hoses
Intake valve clearance
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