2.0tdi maf sensor "2011" a3

TF51 tly

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Dec 24, 2016
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Alrightguys and girls,
My friends having issues, loss of power juddery idle, says it sounds a little louder?
I had a look today sounds OK idled fine,
No error codes. Measured maf at idle and it was around 14g/s.
Iv never had a diesel so unknown Wether or not this is normal.
My 2.0tfsi runs at around 4g/s.
There's a slight hiss noise from the intake area at the turbo end.

My main question is what readings should the maf put out at idle and at raised revs??
Thanks in advance al
(also posted in vcds section)