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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 Gauges

Component Location Index GAUGE CONTROL MODULE Self-diagnostic Function Input Test Rewriting the ODO Data and Transferring Smart Maintenance on a New Gauge Control Module Replacement Outside Air Temperature Indicator Calibration OUTSIDE AIR TEMPERATURE SENSOR Test Replaceme

 Moonroof

Component Location Index GLASS DRAIN CHANNEL SUNSHADE CABLE ASSEMBLY CABLE TUBE REAR BRACKET MOTOR WIND DEFLECTOR REAR DRAIN TUBE REAR DRAIN VALVE FRAME CLIP FRONT DRAIN VALVE FRONT DRAIN TUBE Symptom Troubleshooting Index Glass Position Adjustment The roof panel (A) should be ev

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