Yesterday and this morning, I started up the A4 and all of a sudden the car starting shaking like crazy. The engine was making sputtering sounds. It lasted for a minute or so and then it stopped. I'm thinking there might be some water in the gas, but it only does that when I start it up first thing in the morning. Every other time I start up, it doesn't happen. Does anyone know what it could be? Anyone else have a similar problem?

Btw, I have a 2.0T. Thanks

 

I would have it scanned for codes, autozone can do it for you, but if I had to guess I would imagine you have a bad coolant temp sensor.