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
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Special Tools Required
Holder handle 07JAB-001020A
Companion flange holder 07RAB-TB4010B
1. Remove the drain plug (A) and the oil filler plug (B)
with sealing washers (C).
2. Raise the locknut tab (A) from the groove of the
clutch guide, making sure the tab completely clears
the groove to preve
Component Location Index
CHARGING SYSTEM INDICATOR
(In the gauge control module)
UNDER-HOOD FUSE/RELAY BOX
(Has built-in ELECTRICAL LOAD
DETECTOR [ELD] UNIT)
BATTERY
ALTERNATOR
DRIVE BELT
AUTO-TENSIONER
Symptom Troubleshooting
Index
Charging system indicator does not come
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