DanB36
Veteran Member
Got a letter over the weekend from Audi notifying me of this "service action", "to reduce soot accumulation related to the oxygen sensor." It appears to involve replacing and relocating the O2 sensor, replacing the DPF and diesel oxidation catalyst, and a software update. They claim this "will not adversely impact your vehicles drivability, features, fuel economy, or warranty coverage."
Anyone else heard of this? Know anything further about it?
Anyone else heard of this? Know anything further about it?