Fendt 309c problem

  • Sorry for writting in English i dont know Germany language..

    I have Fendt 309c recently we was doing everything changing everything in the engine putting it new replacing old parts with news, after we finally did that the tractor Is more weak than before we did all to engine,Also we bough new turbo,i was trying to plow its reaching 1000 rpm and after that i pressing gas paddle Is not receiving gas,what Is the problem? ;(