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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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Air Fuel Ratio
Air Fuel Ratio
The scan tool displays the ratio of the air to fuel. A typical ratio is about 14.7:1.