Honda CR-V: Crankcase Emissions Control System
Honda CR-V (2006–2011) Owner's Manual / Technical Information / Emissions Controls / 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
SEE MORE:
Power switch will not turn ON (No
information display and no sound)
(with navigation)
1. With the ignition switch ON (II), push the power
switch ON to see if navigation unit turns ON.
Does the navigation unit display operate properly, and does the audio sound
normal? YES-Intermittent failure, the system is OK at this time.
NO-Go to step 2.
2. Turn the ignition switch OFF.
3. Che
DTC P0451: FTP Sensor Range/Performance
Problem
NOTE:
Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
If DTC P2422 is stored at the same time as DTC P0451,
troubleshoot DTC P2422 first, then recheck for DTC
P0451.
1. Turn the ignition switch ON (II).
2. Clear
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