SOURCE: 2000 Honda Odyssey Fuel Vapour Canister location
It is located at the top of the gas tank. You are going to have to drop the tank in order to check it, so it is best to do this when there is not a lot of gas in the tank. Hope this helps you out.
SOURCE: where is the vapor canister on 1999 honda accord
the evap canister is located in the rear of the vehicle on more of the left side. if you raise the vehicle up from the rear and look around the left side of the car you should see a rectangular black plastic box with hoses and wire connectors coming out of it.
Malfunction
The evaporative control (EVAP) system captures any raw fuel evaporating from the fuel storage system (e.g. the fuel tank, filler neck, and fuel cap). Under precise operating conditions-dictated by engine temperature, speed, and load-the EVAP system stores and purges these captured fuel vapors back into the combustion process. The carbon canister, which stores the raw fuel vapors, utilizes a vent valve that allows fresh air to enter the EVAP system. This displaces the fuel vapor as it's purged into the combustion process.
Code P0449 indicates that the evaporative control (EVAP) system vent valve solenoid is malfunctioning. This can be caused by either too little or too much electrical resistance or a mechanical problem with the vent valve itself.
P0449 Symptoms
Common Problems That Trigger the P0449 Code
Common Misdiagnoses
Polluting Gases Expelled
The EVAP canister temporarily stores fuel vapor from the fuel tank until it can be purged back into the engine and burned.
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