Alright well i put my new ecu in and it fixed the vtec problem..well sorta it lets me go into where vtec is but im low on oil sooo i belive thats the problem anyways on my ecu since its tuned and chiped it says to run premium only well i have an 1/8 of a tank of regular from the old ecu needless to say will this cause the ecu not to read right and bog it out sometimes??? it only does it a little bit and you never know when to expect it my car is in the shop getting new rod and main bearings and when i went up there and put my new ecu in it, it boggd out a little...let me know just curiose if i dont get any replys as soon as my car gets done today im putting premium in it to see if that cures it hope so