I have a 97 ex coupe with a 99b16a2 that I swapped in but I have some codes 20-electrical load detector - does anyone know about this?? 63-2nd o2 low or high voltage or slow response- any ideas?(I did remove my cat) 91-evap , fuel tank pressure sensor low or high input- should I try fixing these , or should I just get a p30 obd1 ecu? any Ideas are greatly appreciated!!