so i'm driving my car, finally fixed it hf with a6 in it, and goin good the whole day finally driving to work and the cel goes on and it dies at idol, pull over and the ecu shows a code 5, start it back up the cel goes off and it drives fine again.Any suggestions? it's done it a few times now,kinda randomly

 

I believe code 5 is the MAP sensor. I would check the electrical contacts for the map sensor and the measure the voltages. Could possibly be something as simple as a vac. leak too.