2009-2015 Hyundai Ix35 SUV Maintenance -> EMISSION CONTROL SYSTEM User Manual
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Maintenance -> EMISSION CONTROL SYSTEM for Your Hyundai Ix35 SUV First Generation (2009-2015)

Maintenance  
EMISSION CONTROL SYSTEM  
The emission control system of your  
vehicle is covered by a written limited  
warranty. Please see the warranty infor-  
mation contained in the Owner’s  
Handbook & Warranty Information book-  
let in your vehicle.  
Caution for the Inspection and  
Maintenance Test (With Electronic  
Stability Control (ESC) system)  
1. Crankcase emission control  
system  
The positive crankcase ventilation sys-  
tem is employed to prevent air pollution  
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 induction system.  
• To prevent the vehicle from misfir-  
ing during dynamometer testing,  
turn the Electronic Stability Control  
(ESC) system off by pressing the  
ESC switch.  
Your vehicle is equipped with an emis-  
sion control system to meet all applicable  
emission regulations.  
• After dynamometer testing is com-  
pleted, turn the ESC system back on  
by pressing the ESC switch again.  
There are three emission control sys-  
tems, as follows.  
(1) Crankcase emission control system  
(2) Evaporative emission control system  
(3) Exhaust emission control system  
2. Evaporative emission control  
(including ORVR: Onboard  
Refueling Vapor Recovery)  
system  
In order to assure the proper function of  
the emission control systems, it is rec-  
ommended that you have your vehicle  
inspected and maintained by an author-  
ized HYUNDAI dealer in accordance with  
the maintenance schedule in this manu-  
al.  
The Evaporative Emission Control  
System is designed to prevent fuel  
vapors from escaping into the atmos-  
phere.  
(The ORVR system is designed to allow  
the vapors from the fuel tank to be  
loaded into a canister while refueling at  
the gas station, preventing the escape of  
fuel vapors into the atmosphere.)  
7 72  
Maintenance  
Canister  
3. Exhaust emission control  
system  
Fuel vapors generated inside the fuel  
tank are absorbed and stored in the  
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.  
WARNING - Exhaust  
Engine exhaust gases contain car-  
bon monoxide (CO). Though color-  
less and odorless, it is dangerous  
and could be lethal if inhaled.  
Follow the instructions on this  
page to avoid CO poisoning.  
The Exhaust Emission Control System is  
a highly effective system which controls  
exhaust emissions while maintaining  
good vehicle performance.  
Vehicle modifications  
Purge Control Solenoid Valve (PCSV)  
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.  
The purge control solenoid valve is con-  
trolled by the Engine Control Module  
(ECM); when the engine coolant temper-  
ature is low during idling, the PCSV clos-  
es 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.  
CALIFORNIA PROPOSI-  
TION 65 WARNING  
Engine exhaust and a wide variety  
of automobile components and  
parts, including components found  
in the interior furnishings in a vehi-  
cle, contain or emit chemicals  
known to the State of California to  
cause cancer and birth defects and  
reproductive harm. In addition, cer-  
tain fluids contained in vehicles  
and certain products of component  
wear contain or emit chemicals  
known to the State of California to  
cause cancer and birth defects or  
other reproductive harm.  
In addition, damage or performance  
problems resulting from any modification  
may not be covered under warranty.  
Engine exhaust gas precautions (car-  
bon monoxide)  
• Carbon monoxide can be present with  
other exhaust fumes. Therefore, if you  
smell exhaust fumes of any kind inside  
your vehicle, have it inspected and  
repaired immediately. If you ever sus-  
pect exhaust fumes are coming into  
your vehicle, drive it only with all the  
windows fully open. Have your vehicle  
checked and repaired immediately.  
7 73  
Maintenance  
• Do not operate the engine in confined  
or closed areas (such as garages) any  
more than what is necessary to move  
the vehicle in or out of the area.  
Operating precautions for catalytic  
converters (if equipped)  
• Do not misuse or abuse the engine.  
Examples of misuse are coasting with  
the ignition off and descending steep  
grades in gear with the ignition off.  
WARNING - Fire  
• When the vehicle is stopped in an  
open area for more than a short time  
with the engine running, adjust the  
ventilation system (as needed) to draw  
outside air into the vehicle.  
• Do not operate the engine at high idle  
speed for extended periods (5 minutes  
or more).  
A hot exhaust system can ignite  
flammable items under your vehi-  
cle. Do not park, idle, or drive the  
vehicle over or near flammable  
objects, such as grass, vegetation,  
paper, leaves, etc.  
• Do not modify or tamper with any part  
of the engine or emission control sys-  
tem. All inspections and adjustments  
must be made by an authorized  
HYUNDAI dealer.  
• Never sit in a parked or stopped vehi-  
cle for any extended time with the  
engine running.  
Your vehicle is equipped with a catalytic  
converter emission control device.  
• When the engine stalls or fails to start,  
excessive attempts to restart the  
engine may cause damage to the  
emission control system.  
• Avoid driving with a extremely low fuel  
level. Running out of fuel could cause  
the engine to misfire, damaging the  
catalytic converter.  
Therefore, the following precautions  
must be observed:  
• Use only UNLEADED FUEL for gaso-  
line engines.  
Failure to observe these precautions  
could result in damage to the catalytic  
converter and to your vehicle.  
Additionally, such actions could void your  
warranties.  
• Do not operate the vehicle when there  
are signs of engine malfunction, such  
as misfire or a noticeable loss of per-  
formance.  
7 74  

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