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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 Center Upper Dashboard Panel Removal/Installation

Special Tools Required KTC trim tool set SOJATP2014 * * Available through the American Honda Tool and Equipment Program; call 888-424-6857 NOTE: Put on gloves to protect your hands. Use the appropriate tool from the KTC trim tool set to avoid damage when prying components. Take care not to scra

 Information Display

As an incoming call notification, you will see the following display: A notification that there is an incoming call, or HFL is in use, will appear on the navigation screen when the audio system is on. When there is an incoming call, or HFL is in use, ‘‘HFL’’ will appear at

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