Nissan Repair: whats wrong, nissan truck, fuel pressure

Question
my nissan truck is bogging down after 2000rpm ive changed the fuel pump and gave it a full tune-up and changed the censors it still happens i dont know what to do and i can afford to take it to the shop.i have a 5 speed 4cly 96'nissan 2wd se pick-up

Answer
Scott,

It is either gas or electrical.  Since you have multiple coils on yours I would be thinking fuel pressure would be the problem.  Check the fuel pressure to see if that new pump corrected the fuel problem.  Second, does the computer throw a code?  If so, email me back.