Emission Controls
Exhaust Emission Controls
The exhaust emission controls
include three systems: PGM-FI,
Ignition Timing Control, and
Three-way Catalytic Converter.
These three systems work together
to control the engine's combustion
and minimize the amount of HC,
CO, and NOx that comes out the
tailpipe. The exhaust emission
control systems are separate from
the crankcase and evaporative
emission control systems.
PGM-FI System
The PGM-FI System on this model
is a sequential multiport fuel
injection. The PGM-FI System on
your car has three sub systems:
Air Intake, Engine Control, and
Fuel Control: The Engine Control
Module (ECM) uses various
sensors to determine how much
air is going into the engine. It then
controls how much fuel to inject
under all operating conditions.
Ignition Timing Control System
This system constantly adjusts
the ignition timing, reducing
the amount of HC, CO and
NOx produced.
Three-way Catalytic Converter
The Three-way Catalytic Converter
is in the exhaust system. Through
chemical reactions, it converts HC,
CO, and NOx in the engine's
exhaust to carbon dioxide (CO
2
),
dinitrogen (N
2
), and water vapor.
Replacement Parts
The emission control systems are
designed and certified to work
together in reducing emissions to
levels that comply with the Clean
Air Act. To make sure the
emissions remain low, you should
use only new genuine Honda
replacement parts or their
equivalent for repairs. Using lower
quality parts may increase the
emissions from your car.
The emissions control systems
are covered by warranties
separate from the rest of your
car. Read your warranty manual
for more information.
Technical Information
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