benjaminsarmy

hi there i have a mk5 escort xr31 cosworth rep and have just fitted a fiesta rs turbo efi engine with midland t3 turbo on ofac loom and i now have run in to problems ,,car starts and eventuly idles but when throttle is pressed fully it seems to hesitate and missfire i havnt swaped no wires just plug and play , and only have one wire for temp sensor but zetec section has two wires please help as im pulling my hair out with this project thanks ben ,,

benjaminsarmy

anybody out there to help me