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Home >> Pontiac >> 2001 >> Sunfire L4-2.2L VIN 4 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Emission Control Systems >> EVAP System Components >> EVAP Vent Valve
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EVAP Vent Valve

The EVAP vent valve controls fresh airflow into the EVAP canister. It is a normally open valve. The PCM will command the valve closed during some EVAP tests, allowing the system to be tested for leaks.
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