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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 Additional Safety Precautions

Do not attempt to deactivate your airbags. Together, airbags and seat belts provide the best protection. Do not tamper with airbag components or wiring for any reason. Tampering could cause the airbags to deploy, possibly causing very serious injury. Do not expose the front passenger

 Front Driveshaft Installation

1. Apply grease to the contact area (A) of the outboard joint and front wheel bearing. NOTE: Failure to apply grease may cause excessive noise and vibration. 2. Install a new set ring (A) onto the set ring groove (B) of the driveshaft (left driveshaft). 3. Apply 0.5-1.0 g (0.02-0.04 oz) of grease

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