do reset for it, if it work, then fine, if not, then changed all engine plugs, if no, then you have to change the computer, you can find it in one garage in street number 23 , Al-Imarah , and you can also check for another garage, but i advice you to go to Imarah Garage, they have exp with it, maybe your computer is not the issue. all models from 2000 to 2008 maxima computer working with same car, get the newst one better
i have one from my old maxima car, i don't know how it is, it is been 3 years and it is in my house, if you want check it, send me messege