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2002
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Corvette V8-5.7L VIN S
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Evaporative Emissions System
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Description and Operation
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EVAP System Components
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EVAP Vent Valve
EVAP Vent Valve
EVAP Vent Valve:
The EVAP vent valve (1) controls the fresh airflow into the EVAP canister. The
EVAP
is a normally open valve. The PCM will command the valve closed during some EVAP tests, allowing the system to be tested for leaks.