howdy guys. i need some help with my safc. it came with my car when i bought it, and its been sittin in it hooked up for awhile now, and i want to disconnect it to sell. the problem is, when i disconect it, i throw a code and the car idles at around 3000 rpms. ive never hooked one so i dont know how to disconnect it and solve this problem. any help would be greatly appreciated. thanks in advance