audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Climate Control Exhaust Gas Sensor|Service and Repair > < Initial Inspection and Diagnostic Overview|Page 15080
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recirculating/fresh air flap position must change, for example when driving through a cloud of diesel exhaust. 

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Also note descriptions, refer to => [ Dust and Pollen Filter ] See: Cabin Air Filter/Description and Operation and => [ Air Quality Sensor Function
] See: Description and Operation Air Quality Sensor (G238).

Climate Control Exhaust Gas Sensor|Service and Repair > < Initial Inspection and Diagnostic Overview|Page 15080