i have a 96 lx civic i just droped a 97 1.6 in it. it will crank but not start. i have fule to the rail and spark just wont turn over. i think my fule injectors are not coming on. if i spray ether down the intake starts right up. will not having the right O2 sensors couz this? or should it just run crappy with out O2 sensors? dont want to drop the $ if i dont have to thanks