Honda CR-V: Evaporative Emissions Control System
Honda CR-V (2006–2011) Owner's Manual / Technical Information / Emissions Controls / 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 engine is started and warmed up, the vapor is drawn into the engine and burned during driving.
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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
Replacement Parts
The emissions control systems are
designed and certified to work together
in reducing emissions to
levels that comply with the Clean Air
Act. To make sure the emissions
remain low, you shoul
SEE MORE:
Intake Air System
Component Location Index
AIR CLEANER
RESONATOR
THROTTLE BODY
INTAKE AIR BYPASS CONTROL
THERMAL VALVE
Throttle Body Test
Carbon Accumulation Check
NOTE: If the malfunction indicator lamp (MIL) has been
reported on, check for diagnostic trouble codes (DTCs).
1. Connect the H
PCV System
Component Location Index
PCV VALVE
PCV Valve Inspection
1. Check the PCV valve (A), hoses (B), and
connections for leaks or restrictions.
2. At idle, make sure there is a clicking sound from the
PCV valve when the hose between the PCV valve
and intake manifold is lightly pinched (A) with you
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