Originally Posted by area3z

Hey guys. After a couple of unsuccessful and frustrating attempts to remplace my ECM (high frequency noise issue) at a few dealerships, I took my car to Bll Kay Nissan in Downers Grove (thanks to JB1's advice). The tech recognized the problem immediately and ordered the new part, which is being installed as I'm typing this. These guys are really professional, I even got a free rental so I don't have to wait there. Just a heads up to anyone who's experiencing the same issue.