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Home >> Chevrolet >> 1999 >> Metro L4-079 1.3L VIN 2 MFI >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> EVAP Duty Cycle
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EVAP Duty Cycle

Scan tool range 0-100%. The [1][2]EVAP Duty Cycle parameter specifies the amount of time the EVAP canister purge valve ON (open). 0% indicates that the EVAP canister purge valve is fully closed. 100% indicates that the EVAP canister purge valve is fully open.
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