The emission control system is one of the most important systems in your car and it needs to be maintained throughout its lifetime. Moreover, due to the rise in the pollution level, stringent laws and regulations are being implemented in the automobile industry to check vehicular emission. In this context, it is imperative for every car owner to know about the various important parts of the emission control system. Go through the slide to know about the different parts of the emission control system of your car.

1. Things to Know About
of the Emission Control
System

2. The internal combustion
engine in a car produces
toxic gases and as per
international obligations
the emission level can't
exceed beyond a limit.

3. Moreover, due to this
reason vehicle
manufacturers are
increasingly giving stress
to the emission control
systems.

4. Furthermore, there are
certain vital components
of the emission control
system in your car which
play a crucial role in
controlling the emission
caused by your car.

5. Here are the things that
you must know about the
important parts of the
emission control system.

7. PCV valve works to take the
vapors produced in the
crankcase at the time of the
combustion & channel them
into the air/fuel intake
system to be burned during
the combustion process.

8. These vapors have the
potential to dilute the
air/fuel mixture which can
affect the performance of
the engine & need constant
monitoring and this is done
by the PCV valve.

9. The valve allows a very
little amount of vapors
into the intake system at
the idle condition as the
air/fuel mixture is in a
critical state.

10. However, during high speeds
more amount of vapors is
allowed into the intake
system because the mixture is
safe & the pressure in the
engine is greater.

12. There are several ways to
control automotive
emissions and one of the
methods is to carry out a
complete combustion so
that there are fewer by-
products.

13. However, in many vehicles
an additional area for
oxidation or combustion is
also provided and this
extra area is called a
catalytic converter.

14. The catalytic converter is
located in the exhaust system
ahead of the muffler and
consists of pellets or
honeycomb made of platinum
or palladium that is located
inside the converter.

15. They are used as a catalyst
to convert the
hydrocarbons & carbon
monoxide to carbon
dioxide and water which is
less harmful on the
environment.

17. EGR valve plays a stellar
role in controlling the
emission from the car as
the purpose of the EGR
valve is to reduce the
temperature inside the
combustion chamber.

18. As the excessive temperature
inside the combustion chamber
creates oxides of nitrogen
which is a major pollutant and
the EGR valve is the most
effective component to control
the oxides of nitrogen.

19. However, the EGR valve
design affects the engine's
performance as because
the design of the engine is
not compatible with the
EGR valve.

20. Due to this the amount of
exhaust entering the
intake system has to be
monitored & controlled
and this is done through a
series of electrical and
vacuum switches.

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