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2005
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Passat Sedan 4Motion (3B3) V6-2.8L (ATQ)
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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 16815
DTC 16815
SAE
VAG
Description
P0431
16815
Warm Up Catalyst Efficiency Below Threshold Bank 2
-
Check Three Way Catalytic Converter (TWC).
Catalytic Converter, Checking