EVAP Canister

EVAP Canister:

The Evaporative Emission (EVAP) canister is a sealed unit with the following 3 ports:
1. A purge pipe
2. A vapor pipe
3. A vent pipe

EVAP Canister:

The canister is filled with carbon pellets used in order to absorb and store the fuel vapors. Fuel vapor is stored in the canister until the powertrain Control Module (PCM) determines that the vapor can be consumed in the normal combustion process.