Hi guys I am new on the forum, Just recently bought an Audi A3 2.0 Fsi 2006 Auto 6 forward triptronic few weeks back. The problem is that when when the cars temperature reached 90° the car stalls, jerks or would just die and needs to cool off between 1 and 2 hours then the car would start again, on the road the car would run fine and the temperature would sit on 50° and the coolant sign would appear on the cluster, I have realised this morning that even though the engine is warm on 90° the water remains cold in the water tank and now the car doesn't even go to that 90° without jerking and stalling and want me to fully accelerate it. I have serviced the car last week replaced the petrol pump, and the map sensor but the problem still persists. Nowadays it doesn't even have to go to 65 nor 70° it would stall and stall and losses power Please help. We have diagnosed the car with the mechanic and we got P2015 intake manifold runner position sensor and P0016 crank shaft position sensor.