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1999
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Corvette V8-5.7L VIN G
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Repair and Diagnosis
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Powertrain Management
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Initial Inspection and Diagnostic Overview
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Vehicle On-Board & Scan Tool Diagnostics
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Engine Scan Tool Data Definitions
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VTD Fuel Disable Until Ignition Off
VTD Fuel Disable Until Ignition Off
The scan tool displays Yes or No. With the ignition On and a VTD code present the scan tool displays YES. With ignition Off the scan tool displays NO.