need help cel code 24

[jrsx26]

i have 1990 honda civic std had 1.6 zc sohc swap but now i swaped in b16a1 obdo motor. starts up fine but idles rough and cel is on code 24. two long and four short. i have no idea what this code is. ecu is pr3. please help.

 

[svt1.8t]

i have the same code turned out to be a code 10 and a code 14, still working on fixing it. once i do i'll let you know what i did.

 

[lil_red_si]

replace you eacv (electronic air control valve) your rough idle is prolly that.....replace it or clean it out with brake cleaner and see if it still idles rough