Hey whats up guys, i just did a motor swap on my 96 honda civic ex, i basically put the same motor d16y8. But i have a few problems, I got it fired up, but it has a crazy idle, it revs up to about 2,000 rpms then drops down to about 800, then goes back up to 2,000 rpms and stays there. Also It makes a High-pitched winning noise, I have no idea where its coming from. The car is automatic so it doesnt have a idle air control valve. Well if you have any ideas what wrong with my car, lets me know!


Thanks!

 

check the egr vlv and clean it up.