i have a b18b in an 89 4 door and i have an iacv code on my ecu... but everytime i change it the code stays and the idle doesnt get fixed. the parts are not bad it just doesnt seem to work.the head on the car is milled 30 thousands and has crower stage 1 valves, springs, and retainers. but it has stock ls cams. could fuel be a problem here or is it wiring?

-joe