Code 4 wont go away
ok i was workin on my 88 hf crx wit a b18b in it and it was throwin code 4 but i hade a new dizzy and i checked all the wire everything was good.then i put a pm8 obd0 ecu in there and it went away.i used the ecu from my 91 DA in the crx(it never had a code and ran fine)then when i put it back in the DA i cant get rid of the f***in code i tryed everything.Does anybody have any ideas.i know its not the dizzy cuz i try the pm8 ecu and and the code was gone PLEASE HELP........




