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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 DTC P0300: Random Misfire and Any Combination of the Following

DTC P0301: No.1 Cylinder Misfire Detected DTC P0302: No.2 Cylinder Misfire Detected DTC P0303: No.3 Cylinder Misfire Detected DTC P0304: No.4 Cylinder Misfire Detected Special Tools Required Pressure gauge adapter 07NAJ-P07010A A/T low pressure gauge w/panel 07406-0070301 A/T pressure hose 07406

 Troubleshooting

Troubleshooting - B-CAN System Diagnosis Test Mode A Check the PCM for DTCs, and troubleshoot PCM or F-CAN loss of communication errors first, then do this diagnosis if the symptom is related to the B-CAN system. NOTE: Always cycle the ignition switch within 3 seconds when prompted in the DTC troub

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