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1999
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Firebird V6-3.8L VIN K
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Repair and Diagnosis
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Powertrain Management
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions - Powertrain Systems
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EVAP Canister Purge
EVAP Canister Purge
Scan Tool Displays
0%
to
100%
Represents the PCM commanded PWM duty cycle of the
EVAP
Purge valve.
0%
displayed indicates no purge;
100%
displayed indicates full purge.