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EMISSION CONTROL SYSTEM (IF EQUIPPED)
The emission control system of your
vehicle is covered by a written limited
warranty. Please see the warranty in‐
formation contained in the Warranty &
Maintenance book in your vehicle.
Your vehicle is equipped with an emis‐
sion control system to meet all applica‐
ble emission regulations.
There are three emission control sys‐
tems, as follows.
1. Crankcase emission control system
2. Evaporative emission control sys‐
tem
3. Exhaust emission control system
In order to assure the proper function
of the emission control systems, have
your vehicle inspected and maintained
by a professional workshop in accord‐
ance with the maintenance schedule in
this manual. Kia recommends to visit an
authorized Kia dealer/service partner.
Caution for the Inspection and Mainte‐
nance Test (With Electronic Stability
Control (ESC) system)
• To prevent the vehicle from misfiring
during dynamometer testing, turn
the Electronic Stability Control (ESC)
system off by pressing the ESC
switch.
• After dynamometer testing is com‐
pleted, turn the ESC system back on
by pressing the ESC switch again.
1. Crankcase emission control
system
The positive crankcase ventilation sys‐
tem is employed to prevent air pollu‐
tion caused by blow-by gases being
emitted from the crankcase.
This system supplies fresh filtered air
to the crankcase through the air intake
hose. Inside the crankcase, the fresh air
mixes with blow-by gases, which then
pass through the PCV valve into the in‐
duction system.
2. Evaporative emission control
system
The Evaporative Emission Control Sys‐
tem is designed to prevent fuel vapors
from escaping into the atmosphere.
Canister
Fuel vapors generated inside the fuel
tank are absorbed and stored in the on‐
board canister. When the engine is run‐
ning, the fuel vapors absorbed in the
canister are drawn into the surge tank
through the purge control solenoid
valve.
Purge Control Solenoid Valve (PCSV)
The purge control solenoid valve is con‐
trolled by the Engine Control Module
(ECM); when the engine coolant tem‐
perature 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, the
PCSV opens to introduce evaporated
fuel to the engine.
3. Exhaust emission control
system
The Exhaust Emission Control System
is a highly effective system which con‐
trols exhaust emissions while maintain‐
ing good vehicle performance.
Vehicle modifications
This vehicle should not be modified.
Modification of your vehicle could affect
its performance, safety or durability
and may even violate governmental
safety and emissions regulations.
In addition, damage or performance
problems resulting from any modifica‐
tion may not be covered under warran‐
ty.
Maintenance
8-134
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