Honda CR-V: 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 maintain them. This section summarizes how the emissions controls work.

* In Canada, Honda vehicles comply with the Canadian emission requirements, as specified in an agreement with Environment Canada, at the time they are manufactured.

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 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

 Onboard Refueling Vapor Recovery

The onboard refueling vapor recovery (ORVR) system captures the fuel vapors during refueling. The vapors are adsorbed in a canister filled with activated carbon. While driving, the fuel vapo

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 Self-diagnostic Function

Without Navigation The audio system has a self-diagnostic function. To run the self-diagnostic function, do the following: How to check for audio system condition NOTE: The audio unit must be in the code enter screen before doing the self-diagnostic function. 1. Turn the ignition switch to the AC

 DTC 12, 14, 16, 18: Wheel Sensor (Electrical Noise/Intermittent Interruption)

NOTE: If the ABS and other indicators come on because of electrical noise, the indicators will go off when you test-drive the vehicle at 10 mph (15 km/h) or more and noise is gone. An incorrectly installed wheel bearing can cause one of these DTCs. 1. Turn the ignition switch OFF. 2. Check

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