Doubts injection pump that I have
Good morning people have a fiesta 1.8 diesel and the car smokes when I accelerate this car has been changed segments, rod covers, head gasket, cover gasket of valves, EGR was cleaned, timing belt, copper washers for the injectors, oil filter, oil filter, diesel fuel, clutch, cam covers the tree, the only thing that was open was the injection pump any of you can give me a lie helps the car really smoke and do not know why not go beyond anything and never saw an open injection pump do not know what to do. I would appreciate a little help from your part.
thank you