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 Clean Air Act

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

 Crankcase Emissions Control System

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

 Evaporative Emissions Control System

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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 How the Side Airbag Off Indicator Works

This indicator alerts you that the passenger’s side airbag has been automatically shut off. It does mean there is a problem with your side airbags. not When you turn the ignition switch to the ON (II) position, the indicator should come on briefly and then go off. If it doesnâ€

 Upper Arm Replacement

1. Raise the rear of the vehicle, and support it with safety stands in the proper locations. 2. Remove the rear wheel. 3. Place a floor jack under the trailing arm, and support the suspension. 4. Remove the wheel sensor harness bracket (A) from the upper arm (B). 5. Remove the flange bolts (A),

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