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Alero V6-3.4L VIN E
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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
0-100 percent
. Represents the
PCM
commanded PWM duty cycle of the
[1]
[2]
EVAP
Purge valve.
0 percent
displayed indicates no purge;
100 percent
displayed indicates full purge.