Evaporative Emission Control Canister: Description and Operation

VAPOR CANISTER

DESCRIPTION

The EVAP Canister is located above a splash shield in front of the right rear axleshaft.

OPERATION

This vehicle uses a maintenance-free, Evaporative (EVAP) Canister filled with activated carbon granules. Fuel tank vapors are vented into the canister where they are absorbed by the activated carbon granules. The canister temporarily holds the fuel vapors until intake manifold vacuum draws them into the combustion chamber. The Power-train Control Module (PCM) purges the canister through the pulse-width modulated EVAP Purge Solenoid. The PCM purges the canister at predetermined intervals and engine conditions.