have a problem , may involve exhaust gas pressure differential valve EGPD , The hoses started popping off , i jubilee clipped them on , then they burst . put heavy duty pipe and jubilee clips on , then it wouldnt run at all , took them off and the car runs , but noisey and smelly, before i replace egpd can anyone confirm this or offer another reason , thanks everyone for taking the time to read this , ta , lee.d