hi, i,m (lol) short for lawrence, i,m from the north east and i,m new to the forum,i own a ford focus 1.8tdci sport 2006 56reg,can anyone please help me with my problem,i have just had a new turbo and inlet hose fitted,the problem i now have is the engine won,t rev beyond 2250 and is kicking out a lot of black smoke,my initial thought next was the airflow meter, can anyone give me any accurate advice,any help would be much appreciated.