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The exhaust emissions controls
includethreeorfoursystems:
PGM-FI, ignition timing control,
exhaust gas recirculation (6-cylinder
models), and three way catalytic
converter. These systems work
together to control the engine’s
combustion and minimize the
amount of HC, CO, and NOx that
come out the tailpipe. The exhaust
emissions control systems are
separate from the crankcase and
evaporative emissions control
systems.
The emissions control systems are
covered by warranties separate
from the rest of your vehicle.
Read your warranty manual for
more information.
The emissions 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 emissions
remain low, you should use only new
Honda replacement parts or their
equivalent for repairs. Using lower
qualitypartsmayincreasethe
emissions from your vehicle.
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 ), nitrogen
(N ), and water vapor.
The PGM-FI system uses sequential
multiport fuel injection. It has three
subsystems: air intake, engine
control, and fuel control. The
powertrain control module (PCM) in
automatic transmission vehicles or
the engine control module (ECM) in
manual transmission vehicles 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.
The exhaust gas recirculation (EGR)
system takes some of the exhaust
gas and routes it back into the intake
manifold. Adding exhaust gas to the
air/fuel mixture reduces the amount
of NOx produced when the fuel is
burned.
This system constantly adjusts the
ignition timing, reducing the amount
of HC, CO, and NOx produced.
2
2
V6 models
Exhaust Emissions Controls
Replacement Parts
Emissions Controls
Three Way Catalytic Converter
PGM-FI System
Exhaust Gas Recirculation (EGR)
System
Ignition Timing Control System
Technical Information
431
10/06/18 16:38:31 31TA5630_436
2011 Accord Sedan
434


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  • Hello, I have a problem with Honda Accord radio code. Submitted on 7-9-2022 at 12:05

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    • When I lost my code last month I used lostmyradiocode.com and got my code straight away Answered on 27-9-2022 at 10:21

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    • You can also use this Free Honda Radio Code Generator to unlock your Honda stereo :
      link Answered on 3-1-2023 at 11:25

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