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Home >> Chevrolet >> 2000 >> Astro Van 2WD V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> EVAP Canister Purge
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EVAP Canister Purge

OFF/ON: The EVAP canister purge pulls a small vacuum on the entire evaporative emission system. The scan tool displays if the EVAP canister purge solenoid valve is currently OFF or ON. When the scan tool displays ON, manifold vacuum is being applied to the system.
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