I have a 2004 4.6 expedition 2wd that seems to stay on fast idle longer than it should. I would assume this is an iac issue, but the info on the 4.6 iac seems to be conflicting. Does the 2004 have a Normal iac that can be cleaned or replaced? Any other thoughts on the fast idle staying active longer. It runs at 1,000 to 1,100 rpms and then eventually drops to 700 ish.
Any help would be appreciated
Any help would be appreciated