Charcoal Canister

The vapors generated in fuel tank pass through a check valve and enter charcoal canister where charcoal absorbs and stores fuel vapors. Canister is purged or cleaned by air drawn through the filter at bottom of canister and sucked into intake manifold through purge control valve and purge line. Throttle body vacuum is applied to canister purge control valve to open valve under following conditions:

• Engine speed is greater than 1500 RPM.
• Engine is at operating temperature.