Emission Controls - Acura Integra 1987 Manual

Emission Controls

Sources of Emissions
The combustion process produces carbon monoxide, oxides of
nitrogen and hydrocarbons. The evaporation of fuel in the fuel
tank also produces hydrocarbons. Control of oxides of nitrogen
and hydrocarbons is very important since, under certain condi­
tions, when
photochemical smog. Carbon monoxide does not react to form
smog, but it is toxic.
The Clean Air Act
The Clean Air Act requires all vehicle manufacturers to explain in
writing, the operation and maintenance of their emission control
systems.
Maintenance instructions are included on pages 55 — 58;. the
operation of each system is explained on the following.
Replacement Parts
The emission control systems on your new Acura were designed,
built and certified to conform with the Federal regulations
implementing the Clean Air Act. The Acura Automobile Division
recommends only the use of new, genuine Honda parts or their
equivalent. The use of other replacement parts which are not of
equivalent quality may impair the effectiveness of your car's emis­
sion control systems.
Crankcase Emission Control System
To prevent crankcase emissions, your car is equipped with a
Positive Crankcase Ventilation (PCV) System which routes blow-
by gases from the crankcase, through the PCV valve and intake
manifold, into the combustion chamber.
Evaporative Emission Control System
The Evaporative Emission Control System is designed to prevent
fuel vapors from escaping into the atmosphere.
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subjected to sunlight, they react to form