I have a obd0 ls motor in my 91 civic si hatch. It's in and starts, but it runs weird. The idle bounces in rpm like a constant steady bounce up and down. I get a code 14, which is eacv. How do i fix this. I pulled the eacv off to check it out and it didn't appear to be clogged or anything like that. Someone please help, this is all that's holding me back from getting my new swapped hatch on the streets.