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1992
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S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN)
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Oxygen Sensor
Oxygen Sensor
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Description and Operation
Testing and Inspection
Checking Control Function With Scan Tool
Checking HO2S Control Signal
Checking HO2S Probe Heating Circuit
Checking HO2S Sensor Signal
Locations
Service and Repair
Specifications
Electrical Specifications
Mechanical Specifications
Technical Service Bulletins
