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Audi
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2003
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A4 Cabriolet (8H7) V6-3.0L (AVK)
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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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DTC 16646
DTC 16646
DTC P0221 - P0265:
