i got a 94 civic dx OBD1 and i put a 98 b18 in it. the harness is obd2 but everything plugged in and im running an obd1 ls ecu. it runs fine but throws a check engine light code 43, which is fuel supply system. i changed everythingi could think of but i dont know what it is. any sugestions??? i was thinking of taking the obd 2 harness of the motor and sticking an obd1 but i dont want to if thats not the problem.