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Maintenance
EMISSION CONTROL SYSTEM (IF EQUIPPED)
The emission control system of your
vehicle is covered by a written limited
warranty. Please see the warranty
information contained in the Service
Passport in your vehicle.
Your vehicle is equipped with an
emission control system to meet all
applicable emission regulations.
There
are
three
emission
systems, as follows.
(1) Crankcase emission control system
(2) Evaporative emission control system
(3) Exhaust emission control system
In order to assure the proper function of
the emission control systems, it is
recommended that you have your car
inspected
and
maintained
authorized
HYUNDAI
accordance
with
the
schedule in this manual.
9
64
1. Crankcase emission control
system
The
positive
system is employed to prevent air
pollution caused by blow-by gases being
emitted from the crankcase. This system
supplies
fresh
crankcase through the air intake hose.
control
Inside the crankcase, the fresh air mixes
with blow-by gases, which then pass
through the PCV valve into the induction
system.
2. Evaporative emission control
system
The
Evaporative
System is designed to prevent fuel
vapors
from
atmosphere.
by
an
dealer
in
maintenance
Canister
Fuel vapors generated inside the fuel
tank are absorbed and stored in the
crankcase
ventilation
onboard canister. When the engine is
running, the fuel vapors absorbed in the
canister are drawn into the surge tank
through the purge control solenoid valve.
filtered
air
to
the
Purge Control Solenoid Valve (PCSV)
The purge control solenoid valve is
controlled by the Engine Control Module
(ECM);
temperature is low during idling, the
PCSV closes so that evaporated fuel is
not taken into the engine. After the
engine warms-up during ordinary driving,
Emission
Control
the PCSV opens to introduce evaporated
fuel to the engine.
escaping
into
the
when
the
engine
coolant
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