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2009
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A5 Quattro Coupe (8T3) V6-3.2L (CALA)
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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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P Code Charts
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P0420
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Catalyst System (Only Bin 5, ULEV) Efficiency Below Threshold (Bank 1)
Catalyst System (Only Bin 5, ULEV) Efficiency Below Threshold (Bank 1)
DTC Tables
