2011 Hyundai Accent Owners Manual

7 EMISSIONCONTROLSYSTEMS
EMISSION CONTROL  SYSTEM
2
H010A01A-AAT
H010B01A-AAT
Canister
1.
CrankcaseEmissionControl
System
Your Hyundai  is equipped with  an emis-
sion  control system  to  meet all  require-
ments of the  U.S. Environmental Protec-
tion Agency  or  California Air  Resources
Board.
There are three emission control systems
which are  as follows.
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 sys-
tem  through  the purge  control  solenoid
valve.
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
filtered fresh air to the crankcase through
the air intake hose. Inside the crankcase,
the  fresh air  mixes  with blow-by  gases,
then passes  through the  PCV valve into
the induction  system.
1)
2)
3)
Crankcase  Emission Control  System
Evaporative Emission  Control System
Exhaust Emission  Control System
PurgeControlSolenoidValve(PCSV)
The purge  control solenoid valve  is con-
trolled  by   the  Engine   Control  Module
(ECM);  when  the   engine  coolant  tem-
perature  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.
In order  to ensure the  proper function of
the emission control systems, it is recom-
mended that you have your car inspected
and maintained by an authorized Hyundai
dealer  in  accordance  with   the  mainte-
nance  schedule in  this manual.
H010C01S-AAT
2.
EvaporativeEmissionControl(In-
cluding ORVR: Onboard Refuel-
ingVaporRecovery)System
The  Evaporative Emission  Control  Sys-
tem  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,  preventing   the  escape  of   fuel
vapors into  the atmosphere.)
Product Specification
Categories Hyundai Manuals, Hyundai Accent Manuals
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- 282 pages
Document TypeOwners Manual
LanguageEnglish
Product BrandHyundai, Accent
Document File TypePDF
CopyrightAttribution Non-commercial
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