audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Engine Speed Sensor|Diagrams > < Engine Speed Sensor|Locations|Page 4478
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If channel 2 (black arrow) is over 70mbar less than channel 4 (white arrow):

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Symptom indicates the MAF sensor requires replacement:

If No leaks are found in the pressure side air duct and additional checks have been performed with No cause found and:

If the DTCs shown still exist.

Engine Speed Sensor|Diagrams > < Engine Speed Sensor|Locations|Page 4478