Three Way Catalytic Converter - Isuzu NHR 4J Series Workshop Manual

THREE WAY CATALYTIC CONVERTER

The three way catalytic converter is an emission control
device added to the exhaust system to reduce pollutants
from the exhaust gas stream.
CAUTION:
• The catalytic converter requires the use of unleaded
fuel only.
Periodic maintenance of the exhaust system is not
required. If the vehicle is raised for other service, it is
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advisable to check the condition of the complete exhaust
system.
A dual bed monolith catalytic converter is used in
combination with three way catalytic converter.
Catalytic Types:
Three way (Reduction/Oxidation) catalyst
The catalyst coating on the three way (reduction)
converter contains platinum and rhodium which lowers the
levels of oxide of nitrogen (NOx) as well as hydrocarbons
(HC) and carbon monoxide (Co).
ENGINE EXHAUST 6F – 3