Honda CR-V: Onboard Refueling Vapor Recovery
Honda CR-V (2006–2011) Owner's Manual / Technical Information / Emissions Controls / 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 vapors are drawn into the engine and burned off.
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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
ThreeWay Catalytic Converter
The three way catalytic converter
contains precious metals that serve
as catalysts, promoting chemical
reactions to convert the exhaust
gasses without affecting the metals.
The catalytic conv
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DTC P0457: EVAP System Leak Detected/Fuel
Fill Cap Loose or Missing
NOTE: Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
1. Check the fuel fill cap (the cap must say "Tighten to
click"). It should turn 1/4 turn after it's tight, then it
clicks.
Is the correct fuel fill cap installed a
Cylinder Head Removal
NOTE:
Use fender covers to avoid damaging painted
surfaces.
To avoid damage, unplug the wiring connectors
carefully while holding the connector portion.
To avoid damaging the cylinder head, wait until the
engine coolant temperature drops below 100 ºF
(38 ºC) before loosening the cylinder h
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