I have an Ls in my 89 si crx and its throwin 3 codes: codes 4, 10, 12. But i cant change out the sensors cause i hooked the lap top to ecu and its not reading them period. so i was wondering if i could use the ls wiring harness??? Its also puttin my ecu in limp mode and can only rev to like 3000 rpm can anybody help me !!!!!!!!!!