P01022 Mass Air Flow error code Help!!!

Dervish

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Hi,

im having a problem with my audi a3 2.0 TDI Diesel. the car has no power had the car taken to a mechanic and they said that the air mass flow needs changing, i had it changed and its made no difference my car has been in the mechanics for 2 weeks for this issue that im having the mechanic has check the turbo and it seems to be working fine but i have no power when im driving there is no leak from the turbo but i have no idea what to do apart from book it with audi. if anyone can help me i will be very grateful.

thank you
 
Could be your boost pressure sensor mate, should be located on one of the main boost pipes.
 

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