td5 FU@$ing sH*t

yet more issues... changed hose from intercooler to turboas the car judder n shuddered car was fine bin running sweet this evening went and picked up our caravan bout 2miles and shes chugging n knockin sounds like a washing machine...dum dum derm now what to do? getting bit concerned but really cant afford paying a main stealer
ive changed/removed egr full filter service the top injector harness and today the hoses????