Technical high fuel consmption+fluctating boost pressure

[scarface5323]

Hello,i have those two errors at my fiat bravo 2007 150hp(185hp) sport, with high consumption and boost pressure iregular, i have graph with mes those parameters if anyone can help me i will be thankful,also i hear a strange sound when i lift the gas from the bov thank you.
i have uploaded the graphs (normal+sport with photos+pdf)