Honda CR-V: The Clean Air Act
Honda CR-V (2006–2011) Owner's Manual / Technical Information / Emissions Controls / 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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General Troubleshooting Information
DTC (Diagnostic Trouble Codes)
The self-diagnostic function of the SRS system allows it
to locate the causes of system problems and then store
this information in memory. For easier troubleshooting,
this data can be retrieved via a data link circuit.
When you turn the ignition switch ON (II), the
Steering Gearbox Installation
NOTE: The illustrations show 2WD.
1. Before installing the steering gearbox, make sure
that no power steering fluid is on the mating
surface of the steering gearbox and the front
subframe. To prevent the gearbox mounting bolts
from loosening after the installation, remove any
power steering fluid f
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