Honda CR-V: Crankcase Emissions Control System - Emissions Controls - Technical Information - Honda CR-V Owner's ManualHonda CR-V: 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 routes them from the crankcase back to the intake manifold. They are then drawn into the engine and burned.

    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 ...

    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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    Setting hazard indicator and horn mode
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