Honda CR-V manuals

Honda CR-V: Emissions Controls

Honda CR-V (2006–2011) Owner's Manual / Technical Information / 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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 Checking the Battery

Check the condition of the battery monthly by looking at the test indicator window. The label on the battery explains the test indicator’s colors. The location of the test indicator window varies between manufacturers. Check the terminals for corrosion (a white or yellowish pow

 Oil Check

Wait a few minutes after turning the engine off before you check the oil. 1. Remove the dipstick (orange handle). 2. Wipe off the dipstick with a clean cloth or paper towel. 3. Insert the dipstick all the way back into its hole. 4. Remove the dipstick again, and check the level. It

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