Just post the serial number right here on this question and I will get it for you. At times when we are away it will hold in my que and I will get it as soon as I log in.
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Radio DataRadio Data Serial number: VWZ9Z7W2041062 PIN: 1972
Your pin is your code, 1972.
Change the Mass Air Flow Meter. Remove the Phillips not the torx.
Also on the rearof the engine for the Fault P0411 There is a combi valve see picture below, replace the vacuum line to this valve.
Yes I understand what you wrote in spanish, the MAF is around $150 to $200 depending on which part number it is. The vacuum line is around $10.00.
The MAF is bolted to the air cleaner box, see picture above.
You have to click accept for us to get paid, you first post it as a deposit, but then when you click accept we get our part.