ENGINE AND EMISSION CONTROL ± Emission Control System
17-17
CATALYTIC CONVERTER
GENERAL INFORMATION
The three-way catalytic converter, together with the
closed loop air-fuel ratio control based on the oxygen
sensor signal, oxidizes carbon monoxides (CO) and
hydrocarbons (HC) and reduces nitrogen oxides
(NOx).
When the mixture is controlled at stoichiometric
air-fuel ratio, the three-way catalytic converter
provides the highest purification against the three
constituents, namely, CO, HC and NOx.
REMOVAL AND INSTALLATION
49 Nm
49 Nm
34 Nm
49 Nm
1
2
3
Removal steps
1. Oxygen sensor harness connector
connection
2. Front exhaust pipe
3. Catalytic converter
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