hi all

this is my 1st post and i was wondering if you could help i have a 2.0 TDCI 115PSI mondeo it appears to have a dead sspot just before turbo kicks in and at this point i get black smoke i have had the following replaced

fuel pump
fuel filter
electronic EGR valve
injectors
pressure regulator

any ideas why i still have black smoke and dead spot

many thanks in advance

Matt