2002 Hyundai Atos Owners Manual

EMISSION CONTROL SYSTEMS
7.
EMISSION CON-
TROL  SYSTEMS
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 and into the induction system.
H010D01A-AAT
3.
Exhaust Emission Control  System
The exhaust emission control system is a high-
ly effective system which controls exhaust emis-
sion  while  maintaining  good  vehicle  perfor-
mance.
H010C02A-GAT
H010A01A-GAT
2.
Evaporative Emission  Control
System (If  installed)
H020A01A-GAT
EMISSION CONTROL  SYSTEM
CATALYTIC CONVERTER (If Installed)
(If Installed)
The Evaporative  Emission Control  System is
designed to prevent fuel vapors from escaping
into the atmosphere.
Your  Hyundai is  equipped  with an  emission
control system to meet all requirements of the
Emission prohibition rules of your province.
There are three emission control systems which
are as follows.
Canister
While  the engine  is  inoperative,  fuel vapors
generated inside the fuel tank are absorbed and
stored in the  onboard canister. When  the en-
gine is running, the fuel vapors absorbed in the
canister are  drawn into  the induction  system
through
1)
2)
3)
Crankcase emission control system
Evaporative emission control system
Exhaust emission control system
Catalytic Converter
In order  to assure  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.
H020A01A
the purge control solenoid valve.
7
The catalytic  converter is part  of the exhaust
emission control system. It's  purpose is to re-
move certain  engine emission  products from
the engine's exhaust. It looks something like a
muffler and is located underneath the car in the
exhaust system.
Purge Control Solenoid  Valve
The purge control solenoid valve  is controlled
by the ECM; when the engine coolant temper-
ature is low, and during idling, it closes, so that
evaporated fuel  is not  taken into  the engine.
After engine warm-up, during ordinary driving, it
opens so as to introduce evaporated fuel to the
engine.
H010B01A-AAT
1.
Crankcase  Emission  Control  Sys-
tem
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 fresh filtered air to
7-1
Product Specification
Categories Hyundai Manuals, Hyundai Atos Manuals
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- 249 pages
Document TypeOwners Manual
LanguageEnglish
Product BrandHyundai, Atos
Document File TypePDF
CopyrightAttribution Non-commercial
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