talisman 1.5 dci

  • a few day ago my talisman lose power and show check injection.i go to mechanic place.mechanic put down pipe from turbochager to intercooler and no air go out.when put in back all pipes.and when i gave a gas the pipe on intercoller put together.no vacum.and tell me the engine is broken.but i think he is wrong engine work normal.please tell me where is a problem