Nisan D 21 Problem

Friends The consultation is the SGTE, a Nissan D 21 year 1995, began to fail so that it turned on after a couple of kilometers stopped and did not start anymore, the tuning, spark plugs, distribution filters on, the continuous problem, then changed the computer changed when it turned hard for about three days at the time of it was done. dies ...
attentive to your comments, greetings to all

Hello, look if the pump pressure is adequate, the pump is in the naphtha tank, it is submerged, it seems to me that it has to have about 13/14 bar or similar

Hello, look if the pump pressure is adequate, the pump is in the naphtha tank, it is submerged, it seems to me that it has to have about 13/14 bar or similar