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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 Horns

Component Location Index HORN HORN SWITCH HORN RELAY CIRCUIT (Built into the MICU) CABLE REEL UNDER-DASH FUSE/RELAY BOX Circuit Diagram Horn Switch Test 1. Remove the steering column covers. 2. Disconnect the dashboard wire harness 20P connector (A) from the cable reel (B). 3. Usin

 Valve Body

Valve Body and ATF Strainer Removal NOTE: The illustration shows the 4WD transmission; the 2WD is similar. 1. Remove the ATF feed pipes (A) and ATF joint pipes (B). 2. Remove the ATF strainer (C) (two bolts), 3. Remove the regulator valve body (D) (eight bolts), 4. Remove the stator shaft (E) and

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