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Home >> Chevrolet >> 2000 >> C Tahoe 2WD V8-5.3L VIN T >> 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

The scan tool displays a range of 0 percent - 100 percent. The PCM supplies a Pulse Width Modulated (PWM) duty cycle to control the EVAP purge solenoid valve. 0 percent indicates no purge. 100 percent indicates full purge.
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