Quote Originally Posted by Greg E View Post
I just remembered that Aaron had a very similar issue as this and the issue turned out to be his ECU adaptor pins for the front and rear 02 sensors were swapped.

Quick test: disable bit 2 of periphery 0 and flash the ROM to your ECU. Does this make the car run better?
We tested that. John had the same issue on his car.
@Goallie11 It would be faster to test the ECU and make sure its good before going over everything again, and again. And fill up this thread.