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Keep the engine well maintained.
Have your vehicle diagnosed and
repaired if it is misfiring, back-
firing, stalling, or otherwise not
running properly.
The three way catalytic converters
contain precious metals that serve as
catalysts, promoting chemical
reactions to convert the exhaust
gasses without affecting the metals.
The catalytic converters are referred
to as three-way catalysts, since they
act on HC, CO, and NOx.
Replacement units must be original
Honda parts or their equivalent.
The three way catalytic converters
must operate at a high temperature
for the chemical reactions to take
place. They can set on fire any
combustible materials that come
near them. Park your vehicle away
from high grass, dry leaves, or other
flammables.
Defectivethreewaycatalytic
converters contribute to air pollution,
and can impair your engine’s
performance. Follow these
guidelines to protect your vehicle’s
three way catalytic converters.
Always use unleaded gasoline.
Even a small amount of leaded
gasoline can contaminate the
catalyst metals, making the three
way catalytic converters
ineffective.
Three Way Catalytic Converters
432
THREE WAY CATALYTIC CONVERTERS
V6 models
THREE WAY CATALYTIC CONVERTERS
4-cylinder models
2012 Accord Coupe
Technical Information
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