Location of idle air sensor on buick 3.8 L engine

does anyone know where the idle air sensor is located on a 1997 buick lesabre ltd 3.8 engine? I need to find a photograph so that I can put this sensor on. Thanks for your help

Here is a link to some info that may help you.

http://www.autozone.com/az/cds/en_us/0900823d/80/15/e2/f3/0900823d8015e2f3/repairInfoPages.htm#hd1-1-3

Thanks. Changed it out and it solved all my problems; didn’t need to replace MAF or MAP sensors but oh well live and learn.