no power on my diesel audi a4 loses power after 100 miles?

Q: if you stop the car and turn off for 5mins its fine again!! many thanks for your answers so far I'm a mechanic of some 35yrs some of your answers are good ! But read the question, The car runs perfect up until the time it cuts out!. turn it off!! for a min and restart its fine for a further 100 to150 mls . with a problem like this its almost impossible to find. I'm going to spend sometime on it today. many thanks again for your time ..Derek many thanks to one and all I have solved, my problem it was the turbo dump valve sticking !! thanks again. Derek B

A: When you refill with fuel do you get a rush of air from the filler neck ? if so it may be a blocked tank breather this would show after the sort of distance that you quoted blocked breather causes a vacuum in the tank that restricts fuel flow best wishes

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