Are you overheating? Perhaps its just could enough outside that your fans rarely turn on? If you turn the AC on does the aux (2nd) fan turn on?
2001 ZX3 2.0L Zetec-
Hatch Nation #42
Going through Rebuild See "The TICK Build Thread" for details (http://www.focusfanatics.com/forum/showthread.php?t=289168&referrerid=62897)