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Home >> Pontiac >> 2004 >> Vibe GT >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System (Introduction) - 1.8L (LV6)) >> Description and Operation >> Evaporative Emission (EVAP) Control System Description >> EVAP Canister Vent Valve

EVAP Canister Vent Valve

WARNING: This page is about a different variant/trim than selected.

The EVAP canister vent valve controls the flow of fresh air that passes through the EVAP canister. The vent valve is normally open. The PCM will command the EVAP canister vent valve closed during some EVAP tests, in order to seal the EVAP system for leak diagnosis.

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