http://fullfunctioneng.com/product/trigger-kit-fd/ POST a pic of what you run? cause I have no idea why or what you have of you saying its still using the stock 12+1 Ne and G sensor set up with just are you using a 36-2 wheel set up like above?
If its totally stock if you have changed the GAP to the stock timing wheel this will change the voltage the ECU sees, and the trigger thresholds could be too high and thus your signals could be dropping out and hence not going over 2k rpm if all else checks out ok.