2013-2015 Hyundai I30 4 Door Maintenance -> Emission control system User Manual
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Maintenance -> Emission control system for Your Hyundai I30 4 Door Second Generation (2013-2015)

Maintenance  
EMISSION CONTROL SYSTEM  
G270000AFD  
G270200AFD  
Caution for the Inspection and  
Maintenance Test (With Electronic  
Stability Program (ESP) system)  
The emission control system of your  
vehicle is covered by a written limited  
warranty. Please see the warranty infor-  
mation contained in the Service Passport  
in your vehicle.  
2. Evaporative emission control  
System  
• To prevent the vehicle from misfir-  
ing during dynamometer testing,  
turn the Electronic Stability  
Program (ESP) system off by press-  
ing the ESP switch.  
The Evaporative Emission Control  
System is designed to prevent fuel  
vapors from escaping into the atmos-  
phere.  
Your vehicle is equipped with an emis-  
sion control system to meet all emission  
regulations.  
• After dynamometer testing is com-  
pleted, turn the ESP system back on  
by pressing the ESP switch again.  
G270201AUN  
There are three emission control sys-  
tems which are as follows.  
Canister  
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.  
(1) Crankcase emission control system  
(2) Evaporative emission control system  
(3) Exhaust emission control system  
G270100AUN  
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.  
In order to assure the proper function of  
the emission control systems, it is rec-  
ommended that you have your car  
inspected and maintained by an author-  
ized HYUNDAI dealer in accordance with  
the maintenance schedule in this manu-  
al.  
G270202AUN  
Purge Control Solenoid Valve (PCSV)  
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.  
7 74  
Maintenance  
G270300AUN  
G270303BFD  
Operating precautions for catalytic  
converters (if equipped)  
3. Exhaust emission control  
system  
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 following to  
avoid CO poisoning.  
The Exhaust Emission Control System is  
a highly effective system which controls  
exhaust emissions while maintaining  
good vehicle performance.  
WARNING - Fire  
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 dry grass, paper,  
leaves, etc.  
G270301AUN  
Vehicle modifications  
• 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.  
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.  
Your vehicle is equipped with a catalytic  
converter emission control device.  
• 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.  
Therefore, the following precautions  
must be observed:  
In addition, damage or performance  
problems resulting from any modification  
may not be covered under warranty.  
• Use only UNLEADED FUEL for gaso-  
line engine.  
• Never sit in a parked or stopped vehi-  
cle for any extended time with the  
engine running.  
• Do not operate the vehicle when there  
are signs of engine malfunction, such  
as misfire or a noticeable loss of per-  
formance.  
G270302AUN  
Engine exhaust gas precautions (car-  
bon monoxide)  
• When the engine stalls or fails to start,  
excessive attempts to restart the  
engine may cause damage to the  
emission control system.  
• 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.  
• 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.  
• Do not operate the engine at high idle  
speed for extended periods (5 minutes  
or more).  
7 75  
Maintenance  
• 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.  
Diesel Particulate Filter (if equipped)  
If the malfunction indicator light contin-  
ues to be blinked in spite of the proce-  
dure, please visit an authorized  
HYUNDAI dealer and then check the  
DPF system.  
If you continue to drive with the malfunc-  
tion indicator light blinking for a long  
time, the DPF system can be damaged  
and fuel consumption can be worsen.  
The Diesel Particulate Filter (DPF) sys-  
tem removes the soot emitted from the  
vehicle.  
Unlike a disposable air filter, the DPF  
system automatically burns (oxidizes)  
and removes the accumulated soot  
according to the driving condition. In  
other words, the active burning by engine  
control system and high exhaust gas  
temperature caused by normal/high driv-  
ing condition burns and removes the  
accumulated soot.  
However, if the vehicle continues to be  
driven at low speed for long time, the  
accumulated soot may not be automati-  
cally removed because of low exhaust  
gas temperature. In this particular case,  
the amount of soot is out of detection  
limit, the soot oxidation process by  
engine control system may not happen  
and the malfunction indicator light may  
blink.  
• Avoid driving with a very low fuel level.  
If you run out of gasoline, it could  
cause the engine to misfire and result  
in excessive loading of the catalytic  
converter.  
Failure to observe these precautions  
could result in damage to the catalytic  
converter and to your vehicle.  
CAUTION - Diesel Fuel  
(if equipped with DPF)  
It is recommended to use the regu-  
lated automotive diesel fuel for  
diesel vehicle equipped with the  
DPF system.  
Additionally, such actions could void your  
warranties.  
If you use diesel fuel including high  
sulfur (more than 50 ppm sulfur)  
and unspecified additives, it can  
cause the DPF system to be dam-  
aged and white smoke can be emit-  
ted.  
When the malfunction indicator light  
blinks, it may stop blinking by driving the  
vehicle at more than 60km/h (37 mph) or  
at more than second gear with 1500 ~  
2000 engine rpm for a certain time (for  
about 25 minutes).  
7 76  

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