Omega 2.5 TD turbocharger defective or not?

Hello guys, I just dropped out of my BOmega 2.5 TD on the highway of the turbocharger. Has someone thrown the anchor, A3 Siebengebirge in the 3rd gear full gas with 90 The typical Turo whistle noise is still there. Whether there is just an air hose or electronic what there is going on??? How does a really defective loader make itself noticeable except that the power is gone? Can you check that somehow? Only the last 50 kilometers is the Consumption could reduce from 7.2 to 6.3 Thank you.