crxfreak1117

ok i have a 89 crx b16 turbo and im having a idle problem it doesnt have a vacumm leak becuase im reading around 20-21 on the boost gauge at idle and when i unplugg the iacv the idle drops to about 400rpms and the idle goes from 1200-1550 up and down when hooked up and i cant find anything wrong?? it also has a bbk throttle body????????

maxx5905

IACV, Clean it out with some carb cleaner and put it back on reset ecu and if its still doing it need a new iacv.

ef-hatchcrap

Or you can just run a wire from the ecu to the iacv to see if that fixes the problem.

clarkey-ef-irl

could be your airflow meter?? i know this happened to a friend of mine last week..

crxfreak1117

ok cleaned it and still didnt work but woud that be the problem if i unplug it and it runs at like 500 rpms? also i might not said this before but it usually happens with it gets warmed up

abram_quito

REPLACE IACV

OR CHECK VACUUM LEAK

maxx5905

Replace the IACV or Check Vac. leak