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K 2500 Truck 4WD V8-454 7.4L VIN J SFI
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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Purge Leak Test
Purge Leak Test
(Pass/Not Run/Fail)
The Purge Leak Test parameter indicates if the evaporative system leak test has Passed or Not Run/Failed.