i have a p06 converted to p28 with uberdata starting off..Is it normal for the car to run without the chip in it? Or is my ecu messed up? With jumper one still hooked up and the chip out it still runs,but like crap. With the chip in i get no o2 heater sensor,fuel injector code, and vtec selonoid. It goes in to limp mode in 2 gear..Any help would be nice..

 

Yes it will still run....but like you said...crappy.

 

I'd try re-burning the chip and make sure the sensors you need/do not are taken care of.