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2006
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A4 Cabriolet (8H7) L4-1.8L Turbo (AMB)
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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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P1421
P1421
DTCs P1237 to P3081, or VAG 17645 to 18339
DTC 17829 / P1421:
