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Holden WM Caprice Owner Manual (MY12.5) - 2012 - CRC 1st Edition - 6/28
12
10-2 Vehicle Care
General Information
Where specified, use only Holden
genuine parts and accessories.
Emission Information
The emission control systems are
designed to r educe the amount of
hydrocarbons (HC), c arbon
monoxide (CO), and oxides of
nitrogen (NOx) emitted from the
engine and fuel system into the
atmosphere. HC and NOx, when
exposed to sunlight under certain
conditions, c ontribute to
photochemical s mog. In addition,
CO is toxic to inhale.
Emission Control System
Major emission control systems that
the vehicle may have are:
.
Evaporative emission control
system This system is designed
to prevent the escape of fuel
vapour from the fuel system and
recycle the vapours through the
normal combustion process.
.
Crankcase emission control
system This system is designed
to prevent blow-by gases from
escaping into the atmosphere
and recycle them through the
combustion process.
.
Exhaust emission control system
The various components of this
system operate collectively to
limit HC, CO and NOx emissions
in the exhaust gas. The exhaust
emission control system consists
of components including
electronic control of spark, fuel
and idle speed. In addition,
vehicles have a catalytic
converter and a closed loop
mixture control system.
It is recommended that servicing
and repairs of fuel or emission
systems be carried out by an
authorised Holden Dealer.
Owner responsibility
The vehicle’s engine, engine control
system, and exhaust system must
NOT be modified in any way.
{
WARNING
Any person who removes,
modifies or defeats any part of
the emission control system may
be contravening Australian
Design Rules. It is also illegal to
drive a vehicle modified in
this way.
Maintenance requirements
Have the vehicle serviced at the
frequency shown in the
Maintenance schedule in the
Service/Warranty Booklet.
It is recommended that servicing be
carried out by an authorised Holden
Dealer, who will maintain the
vehicle’s emission control system as
per the Service/Warranty Booklet.
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