I have a 1999 Audi A4 1.8t. I was driving down the highway at 85 and then my car started to stutter and I had a loss of power. Pulled over shut it off for a couple minutes then started it again. It runs but was idling rough. Also had some back pressure out of the exhaust. Any ideas? I am in the process of changing the fuel filter just waiting for that to come in. Any help is appreciated!!
Thank you in advance,

Shylo