Just bought my01 SLT 4x4a couple weeks ago, and realized that once I got into traffic that the ac wasn't staying as cold as it should, but once I got moving it was ice cold again. Is it the rad fan or maybe a fuse or something else. Anyone else had this problem? I would love some help with this.

 

Try cleaning the condenser off, also you may want to make sure the e-fan is running with the ac. Get back to us on this if it is not running. Other than that it may just need a new fan clutch.