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GMC Truck
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2000
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K 2500 Yukon 4WD V8-6.0L VIN U
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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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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.