[rod]

hi,
i have one 320 ED 6mt N47N (2010/10)
i sealed the pipe(part 21) nearby the inlet manifold,
but it shows the engine error signal,
I guess that error is caused by the temperature sensor on the part 21,
but i can't sure.
it means i can not seal it or just wrong position?
N47 320D has the temperature sensor nearby the manifold?
i check the EGR(AGR) figure between both two cars, it's different
i have no idea of it, thanks for your help ^^