ect sensor 02 a6 quattro
#2
Back of bank 1 head... below the intake pipe between the airbox and the throttle body. (for 2.8 ATQ) Here are some pics.
https://www.audiforums.com/forum/members/hxgaser-45299-albums-cts-2-8-atq-110/
https://www.audiforums.com/forum/members/hxgaser-45299-albums-cts-2-8-atq-110/
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