Hi, i have this problem and its anoying. When i push the gas and when ist over 1500 rpm it whistles. But when i slowly pust the pedal it doesent. So i guess its the turbo. The egr is also leaking from the hole but i still think its the turbo. I made a video https://youtu.be/t090GFwPrDI
Here is the picture of the egr valve
Here is the picture of the egr valve

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