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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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
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
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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WARNING
A battery can explode if you do not follow the
proper procedure, causing serious injury to anyone
nearby. Follow all procedures carefully and keep
sparks and open flames away from the battery.
Use an ED-18 Battery Tester, and follow the
manufacturer's procedures. If you don't have one of
the
1. If the engine is already out of the vehicle, go to step
20.
2. Raise the vehicle on the lift to full height.
3. Drain the engine oil.
4. Remove the front wheels.
5. Remove the splash shield (see step 21).
6. Disconnect the air fuel ratio (A/F) sensor connector
and secondary heated oxygen sen
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