hi everyone, i have an audi tt mk2 2007, recently been experiencing some issue when I come to a stop the rpm drop and bounce back to normal.it happens almost everytime when I stop at a traffic light. sometime it feels like the car going to shut off and come back on.another problem is when the car get warm it start to choke at second gear when the car start up cold it run fine but after like 10 mins and the temperature get higher, when slowing down the car will choke once in second gear before dropping to first gear. hope i can get some answer appreciate it. cheers