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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
Technical Information
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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
dinitrogen (N
), and water vapor.
2
Replacement Parts
The emission control systems are
designed and certified to work to-
gether in reducing emissions to
levels that comply with the Clean
Air Act. To make sure the emis-
sions remain low, you should use
only new genuine Honda replace-
ment parts or their equivalent for
repairs. Using lower quality parts
may increase the emissions from
your car.
),
The emissions control systems are
2
covered by warranties separate
from the rest of your car. Read
your warranty manual for more
information.
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