Honda CR-V: Emissions Controls
The burning of gasoline in your
vehicle’s engine produces several byproducts.
Some of these are carbon
monoxide (CO), oxides of nitrogen
(NOx), and hydrocarbons (HC).
Gasoline evaporating from the tank
also produces hydrocarbons. Controlling
the production of NOx, CO,
and HC is important to the environment.
Under certain conditions of
sunlight and climate, NOx and HC
react to form photochemical ‘‘smog.’’
Carbon monoxide does not contribute
to smog creation, but it is a
poisonous gas.
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The United States Clean Air Act*
sets standards for automobile
emissions. It also requires that
automobile manufacturers explain to
owners how their emissions controls
work and what to do to
Your vehicle has a positive
crankcase ventilation system. This
keeps gasses that build up in the
engine’s crankcase from going into
the atmosphere. The positive
crankcase ventilation valve
As gasoline evaporates in the fuel
tank, an evaporative emissions
control canister filled with charcoal
adsorbs the vapor. It is stored in this
canister while the engine is off. After
the en
SEE MORE:
Special Tools
Strut Nut Adapter
Universal Eyelet
Hub Dis/Assembly Tool
Attachment, 40 mm
Ball Joint Remover, 32 mm
Ball Joint Remover, 28 mm
Ball Joint Thread Protector, 14 mm
Attachment, 72 x 75 mm
Driver
Attachment, 96 mm
Support Base
Component Location Index
Front Suspension
STAB
This indicator alerts you that the
passenger’s front airbag has been
shut off because weight sensors
detect about 65 lbs (29 kg) or less
(the weight of an infant or small
child) on the front passenger’s seat.
It does not mean there is a problem
with the airbag.
Be aware that ob
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