I had the A/C recharged and it worked great for three months. The other day it started blowing warm air and idling erratic. It kept cycling between 600 and 900 rpms. Would a bad a/c compressor cause this?
So just replacing the IAC will clear up all idle problems when the a/c is on? Mine has never had idle problems without a/c but every since I bought the car in 2009, sometimes with a/c on, it'll idle super high when I throw it in neutral while coming to a stop. Like 1800-2100rpms. And then it will drop down after I've came to a stop and almost die. Also when just cruising down the road, you can feel it kick every now and then almost like I let off the gas real fast.