P1320 01/02 fault code

I don't have a listing for P1302 but it sounds like #2 cylinder misfire. Apparently you still have a problem. Check the gap on the sparkplug and be sure you're using the recommended plugs for that engine. If you're using cheap sparkplugs you may be having a problem with them. I recommend using the plugs listed in the owner's manual. If you want to find a Infiniti specialist, here's our directory link for you: https://repairpal.com/infiniti-repair-in-marysville-california