Honda 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.

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 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

 Exhaust Emissions Controls

The exhaust emissions controls include three systems: PGM-FI, ignition timing control, and three way catalytic converter. These three systems work together to control the engine’s combusti

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 Replacing a Headlight Bulb

Your vehicle has halogen headlight bulbs. When replacing a bulb, handle it by its base, and protect the glass from contact with your skin or hard objects. If you touch the glass, clean it with denatured alcohol and a clean cloth. Halogen headlight bulbs get very hot when lit. Oil, p

 Relay and Control Unit Locations

Engine Compartment VSA MODULATOR-CONTROL UNIT AUXILIARY UNDER-HOOD RELAY BOX POWER MIRROR DEFOGGER RELAY PCM RADIATOR FAN RELAY ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY ELD UNIT PGM-FI MAIN RELAY 1 (FI MAIN) UNDER-HOOD FUSE/RELAY BOX FAN CONTROL RELAY BLOWER MOTOR RELAY

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