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Pontiac
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1999
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Grand Prix V6-3.8L VIN K
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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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 Range
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.