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Chevy Truck
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2000
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S10/T10 P/U 2WD L4-2.2L VIN 5 Flex Fuel
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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
Range 0:1-25.5:1
: The air fuel ratio indicates the air to fuel ratio based on the
Oxygen Sensor
(O2S 1)
inputs. The
PCM
uses the fuel trims to maintain an air fuel ratio of 14.7:1.