Quote Originally Posted by gotboost3 View Post
ill clean my iac asap and i used to have a loud system that abused my alt so maybe thats it....ill check to see if i get voltage drops when it dips...


Your going to get voltage drops when the idle dips. It's putting a strain on everything. And that's why your loosing idle speed. knowing the other problems it's not going to be your alternator. But that's just my .02