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Home >> Chevrolet >> 1999 >> S10/T10 P/U 2WD L4-2.2L VIN 4 >> 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 >> Engine Scan Tool Data Definitions - 1 >> EVAP Canister Purge

EVAP Canister Purge

Range - 0-100
The Evaporative Emission ([1][2]EVAP) purge valve solenoid is a proportional signal used in order to control the evaporative emission canister purge function. At 0% the valve is commanded fully closed. 100% implies that the valve is fully open.
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