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2000
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Firebird V6-3.8L VIN K
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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 percent to 100 percent
Represents the PCM commanded PWM duty cycle of the
EVAP
Purge valve.
0 percent
displayed indicates no purge,
100 percent
displayed indicates full purge.