Boost pressure/air mass, target vs. actual, mismatch (2.5 TDI, AEL)

Hello,
I hope to find some professionals here who really know what they're talking about.
Okay, so the car is actually running, it reaches its maximum speed, and it also achieves good values in the acceleration test. Unfortunately, the fuel consumption has increased by 1.5 liters, which is why I started troubleshooting.
So, I first loaded the target values here and compared them to my own data, and the result was:
MWB 0, No. 10, intake air manifold, target value 41-75, actual value 108.
MWB 3, No. 3, LM in mg/H, Target: 210-370, Actual: 470.
Furthermore, in the MWB 11 diagnostic report, the boost pressure shows a target value of 1275, but an actual value of 989! Should it really have a pressure of 1.275 bar at idle?
Due to the LM values, I disassembled the device, checked it, and couldn't find any errors, but I'm missing some reference values for comparison. This is the part with the non-return valve inside. Does anyone have the resistance values for it?
Things get really silly when you crank it up to full throttle while it's idling.
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The first reading shows a value with the hand at its limit, while the second reading shows full throttle at idle. In the second reading, the value is almost at its limit, but it doesn't show nearly as much. If you increase the spring tension to reach the desired value, the device will start smoking. You can't achieve the desired result using only the adjustment range.
Does anyone have any ideas? Are there any other donors whose data is relevant for the LM value?

Regards,
Kai.http://el-remo-la-palma.de/images/lmm1.jpg{MARKER}