I have a 2002 Focus TDDi with 83k on the clock.
I recently replaced all air intake pipes as some were about to split but after only a month i see the insides are coated in wet oil. Would this be my turbo oil seals going? and would that mean a new turbo?
Also assuming this means oil loaded air is being combusted, would that also be the cause of an irregular lumpy idle which is corrected by very slight acceleration?
Any help appreciated please.