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Audi
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2006
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S4 Quattro Wagon (8ED) V8-4.2L (BHF)
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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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P1820
P1820
DTCs through 18269/P1861
DTC 18228 / P1820:
