smoke from the carburetor and when accelerating it does not advance

Hello, I want to know if someone can help me, my truck is a Nissan 1989 is no longer carburetor, but it has something similar to the carburetor I do not know what is called at this time, but it has almost the same components of a carburetor, and the start but it turns it and dies and dies turns off by complete, already remove the piece by removing it the nuts were loose, the joint or the gasket Possible that only the gascket or joint or is it the whole piece complete? How can I check it or how can I know if it really is still? Le3s I appreciate your attention and all the help you can give me

Hi Petercalifornia! I imagine that what you mean with injection carburetor is to a monopunto system that has the body similar to a carburetor but carries an injector inside. If you say that the monopunto was lazy and the damaged joint, proof of putting joint silicone or manufacture it with joint paper. Because of the symptoms that the problem is surely only that, an air intake by the Board in poor condition. Greetings.