2003 Hyundai Matrix Owners Manual

EMISSION CONTROL SYSTEM
It is of the utmost importance that the following
information  is  read  and  understood  by   the
vehicle operator in order to prevent operational
problems arising from damage to the catalyst.
Damage to the catalyst will result if contamina-
tion  occurs  through  the use  of  leaded  fuel.
Whilst the vehicle is fitted with a reduced diam-
eter filler neck  to prevent charging  of the fuel
tank  with  a  leaded  fuel  pump  nozzle,  it  is
possible that the use of funnels or jerry cans will
permit leaded fuel to be introduced into the fuel
tank.
Operation  of the  catalyst  involves extremely
high  temperatures  being attained  within  the
catalytic convertor, and although the convertor
is fitted with heat shields, it is important that the
vehicle is not parked over combustible or vola-
tile material which may result in  fire.
If the above precautions are not adhered to and
the catalyst becomes inoperative, the resultant
increase  in core  temperature  will result  in  a
"melt down"  where the catalyst  core will melt
and subsequently may block the exhaust sys-
tem.
The catalyst  is intolerant  of unburnt  fuel and
therefore if an engine  misfire condition exists,
damage to the catalyst will occur. It is impera-
tive  that if  a  misfire  condition develops,  the
vehicle is immediately presented to a Hyundai
dealer for rectification. Similarly, the practice of
certain ignition  system  diagnosis procedures
whichinvolveinducingamisfire(cylinderpower
balance tests for example) may result in cata-
lyst damage.
For  these  reasons,  it  is  advisable  that  the
exhaust gas emission be tested at each routine
service with a gas analyzer having a Hydrocar-
bon  measuring  facility  to  ensure  continued
reliability of the catalyst.
Due to  the  fragile nature  of the  catalyst ele-
ment,  it  is important  that  damage  does  not
occur when 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.
H020C01S-GAT
EGR SYSTEM
;
For a diesel engine
This system helps control oxides of nitrogen by
recirculating a part of the exhaust gas into the
engine.
Push  or tow  starting  of  the vehicle  is  to be
avoided since  unburnt fuel  may be  enter the
catalyst  and  result  in damage.    (Note,  it  is
impossible  to  push  or  tow  start  a  Hyundai
model  equipped with  fuel injection  since  the
fuel pump safety interlock will prevent the pump
from operating under these conditions).
H020D01S-GAT
CATALYTIC CONVERTER
; For a diesel engine
All Hyundai vehicles are equipped with  oxida-
tion type catalytic converter to reduce the car-
bon monoxide,  hydrocarbons and  particulate
contained in the exhaust gas.
7-2
Product Specification
Categories Hyundai Manuals, Hyundai Matrix Manuals
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- 312 pages
Document TypeOwners Manual
LanguageEnglish
Product BrandHyundai, Matrix
Document File TypePDF
CopyrightAttribution Non-commercial
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