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2004
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A6 Quattro Wagon (4B5) 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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P Code Charts
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P0721
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01L, 5 Speed A/T AWD
01L, 5 Speed A/T AWD
DTC 17105 / P0721
