2011 A3 2.0 TDi (170) Boosting issues

Mplavery

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Hi people

I have a 2011 A3 2.0 diesel (170)

I have been reading a lot of threads on here and Google with the issues I have with my A3

So basically most of the time the car drives GREAT.. When the turbo kicks in its great fun to drive. However when driving it sometimes it feel like the car is not on boost or only letting about half the boost through. This is very random.. When it feels it not on boost I can drive it easy then all of a sudden its back on full boost again

Im getting it remapped soon @ Vas Motion in Guildford but just before that I want to try and solve my boosting issue

Now I see some people have just changed maf /temp sensors and solved there problems were other people seem to think there turbo has gone. As mine is so on/off and don't get any smoke or horrible sounds im hoping its a sensor issue

So can anyone relate to my problem and what did you find to be the issue in the end

Many thanks
 

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