goldhatchi

whats going on fellas . ive got a 1990 civic hatch that im having a problem converting from dpfi to mpfi . its all done but it seems to be stuck in loop mode and showing a code 4 . so im trying to find some help cuz its been sitting for over a month now . ill pay good money if you can fix it even if its simple , or if you want parts ill hook you up , itr pistons or something.let me know ,i could realy use the help