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Audi
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1995
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90CS Quattro V6-2.8L (AFC)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Engine Control System
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With MMS 311 Engine Management System
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DTC 16559
DTC 16559
Scan Tool Printer Display, Code 16559:
NOTE
:
If DTC "16559" is stored, the oxygen sensor control has dropped below the learning value limit in the "lean" direction, but the oxygen sensor continues to recognize "System Too Rich".