"When I remove the engine cover on my Audi, I see several connectors on the splash guard, and on the far left, there's also a pressure sensor. This sensor has a short rubber nipple in the middle, but no hose attached. Is this normal, or did someone simply forget to reattach the hose?"
Thank you.
Thomas.
Audi A4 Avant 2,0 l TDI (MKB = BRD) Baujahr 01/2007