2002 Hyundai Coupe Owners Manual

EMISSION CONTROL SYSTEM
hicle operator  in order to  prevent operational
problems arising from damage to the catalyst.
Damage to the catalyst will result if contamina-
tionoccursthroughtheuseofleadedfuel.    Whilst
thevehicleisfittedwithareduceddiameterfiller
neck to prevent charging of the fuel tank with a
leaded fuel pump nozzle, it is possible that the
useoffunnelsorjerrycanswillpermitleadedfuel
to be introduced into the fuel tank.
The catalyst  is intolerant  of unburnt  fuel and
therefore if an engine  misfire condition exists,
damagetothecatalystwilloccur.   Itisimperative
thatifamisfireconditiondevelops,thevehicleis
immediately presented to a Hyundai dealer for
rectification.   Similarly, the practice  of certain
ignition system diagnosis procedures which in-
volveinducingamisfire(cylinderpowerbalance
tests for example) may result in  catalyst dam-
age.
with heat shields, it is important that the vehicle
is not parked over combustible or volatile mate-
rial which may result in fire.
If the above precautions are not adhered to and
the catalyst becomes inoperative, the resultant
increaseincoretemperaturewillresultina"melt
down"  where the  catalyst core  will  melt and
subsequently may block the exhaust system.
Duetothefragilenatureofthecatalystelement,
itisimportantthatdamagedoesnotoccurwhen
the vehicle is raised by means of a garage jack.
Care must  also be exercised  to avoid driving
over road hazards or debris which may cause
damage to the catalyst element.
For these reasons, it  is advisable that the ex-
haust gas emission  be tested at each  routine
service with a gas analyzer having a Hydrocar-
bon measuring facility to ensure continued reli-
ability of the catalyst.
Push  or tow  starting  of  the vehicle  is  to be
avoided since  unburnt fuel  may be  enter the
catalystandresultindamage.   (Note,itisimpos-
sible  to push  or  tow  start a  Hyundai  model
equipped with fuel injection since the fuel pump
safetyinterlockwillpreventthepumpfromoper-
ating under these conditions).
Operationofthecatalystinvolvesextremelyhigh
temperatures being attained within the catalytic
convertor, and although the  convertor is fitted
7-2
Product Specification
Categories Hyundai Manuals, Hyundai Coupe Manuals
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- 140 pages
Document TypeOwners Manual
LanguageEnglish
Product BrandHyundai, Coupe
Document File TypePDF
CopyrightAttribution Non-commercial
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