FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Car repair manuals for everyone.
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Chevy Truck
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1999
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Express 1 Ton Van V8-5.7L VIN R
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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, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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DTC Set this ignition
DTC Set this ignition
(Yes/No)
The scan tool indicates whether or not any DTC has set during the current ignition cycle.