2003 Hyundai Accent Owners Manual

7-
2   EMISSION CONTROL SYSTEMS
H010A01A-AAT
H010C01S-AAT
H010D01A-AAT
EMISSION CONTROL  SYSTEM
2.  Evaporative  Emission  Control  (In-
3. EXHAUST  EMISSION
cluding ORVR: Onboard Refueling Va-
por Recovery) System
CONTROL SYSTEM
Your  Hyundai  is equipped  with  an  emission
control system to meet  all requirements of the
U.S. Environmental Protection Agency or Cali-
fornia Air Resources Board.
There are three emission control systems which
are as follows.
The  Exhaust  Emission  Control  System  is  a
highly effective system which controls exhaust
emissions   while   maintaining   good   vehicle
performace.
The Evaporative  Emission  Control System  is
designed to prevent fuel vapors from escaping
into the atmosphere.
(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, pre-
venting the escape of fuel vapors into the atmo-
sphere.)
1)
2)
3)
Crankcase Emission Control System
Evaporative Emission Control System
Exhaust Emission Control System
H020A01A-AAT
CATALYTIC CONVERTER
In order  to  ensure the  proper function  of the
emission control  systems, it  is recommended
that  you have  your  car inspected  and  main-
tained by an  authorized Hyundai dealer in ac-
cordance with the maintenance schedule in this
manual.
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
induction system through the purge control so-
lenoid valve.
H010B01A-AAT
1.
CRANKCASE EMISSION CONTROL
SYSTEM
Purge Control Solenoid Valve  (PCSV)
The purge control solenoid valve is controlled by
the Engine  Control  Module (ECM);  when the
engine coolant 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, the PCSV  opens to
introduce evaporated fuel to the engine.
Catalytic  Converter
The  positive crankcase  ventilation  system  is
employed  to prevent  air  pollution  caused by
blow-by gases  being emitted  from  the crank-
case. This system supplies  filtered fresh air to
the crankcase through  the air intake hose.  In-
side  the crankcase,  the  fresh  air mixes  with
blow-by gases,  then passes through  the PCV
valve into the induction system.
HLC5022
All Hyundai vehicles are equipped with a mono-
lith type three-way catalytic converter to reduce
the carbon monoxide, hydrocarbons and nitro-
gen oxides  contained in the  exhaust gas. Ex-
haust gases passing through the catalytic con-
verter cause  it to operate  at a  very high tem-
perature. The introduction of  large amounts of
Product Specification
CategoriesHyundai Accent Manuals, Hyundai Manuals
Tags
Model Year2003
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- 186 pages
Document TypeOwners Manual
LanguageEnglish
Product BrandHyundai, Accent
Document File TypePDF
CopyrightAttribution Non-commercial
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