2005 Hyundai Coupe Owners Manual

7
EMISSION CONTROL SYSTEMS
EMISSION  CONTROL   SYS-
TEMS
2
SH010A1-E
(Not all models)
SH010B1-E
1. CRANKCASEEMISSIONCON-
TROL SYSTEM
Whilst the engine is  not running, fuel
vapours generated inside the fuel tank
are  absorbed and  stored  in a  char-
coal  canister.  When   the  engine  is
started,  the   vapours  stored  in  the
canister are drawn  into the induction
system through the purge control so-
lenoid  valve  and  are   subsequently
burned.
The  purge control  solenoid  valve is
controlled by the  ECU; when the en-
gine coolant temperature is low or the
engine  is  idling,   the  purge  control
valve is  closed and  fuel vapours  re-
main  stored in  the  canister.   Under
normal running  conditions  when the
engine is warm, the valve  opens and
the vapours  are drawn  into the  inlet
tract and subsequently burned  in the
combustion chamber.
Depending upon the market for which
the vehicle  is destined, the emission
control  system will  comprise one  or
more of the following emission control
devices.
The  positive   crankcase   ventilation
system  is  employed  to  prevent  air
pollution  caused  by  blow-by  gases
being emitted from  the crankcase by
introducing fresh air to the crankcase
through  the  air  cleaner   where  this
mixes  with blow-by  gases  and then
passes  through the  PCV  valve  into
the intake manifold from where it sub-
sequently   enters   the   combustion
chamber and is  burned.
(1)
(2)
(3)
Crankcase  emission control  sys-
tem
Evaporative emission control sys-
tem
Exhaust emission  control system
In order that the proper functioning of
the emission control systems may be
ensured,  it is recommended  that the
vehicle is  inspected  and maintained
by  a Hyundai  authorised repairer  in
accordance   with  the   maintenance
schedule in this manual.
SH010C1-E
2.
EVAPORATIVE EMISSION
CONTROL SYSTEM
The  Evaporative   Emission  Control
System  is  designed to  prevent  fuel
vapours from escaping into the atmo-
sphere through  the fuel tank  ventila-
tion system.
SH010D1-E
3. EXHAUST EMISSION
CONTROL SYSTEM
The exhaust emission control system
is  a  highly   effective  system  which
controls exhaust emission while main-
taining good vehicle  performance.
gkfluk-7.p65
2
11/21/2005, 3:00 PM
Product Specification
Categories Hyundai Manuals, Hyundai Coupe Manuals
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- 478 pages
Document TypeOwners Manual
LanguageEnglish
Product BrandHyundai, Coupe
Document File TypePDF
CopyrightAttribution Non-commercial
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