I have to admit I was taken aback by your response, since the A/F function of the IAT was something I didn't make up and had read about before, so I did some reasearch on this topic since I rarely know you to be wrong and I don't like to spout off incorrect information.

http://www.ngkntk.co.jp/english/products/e_guide/sensors/p_03.html

http://www.smokindiesel.com/Technical.htm

http://www.flash.net/~lorint/lorin/fuel/ats.htm

http://www.ford-trucks.com/forums/archive/topic/95429.html

http://www.msdignition.com/fuel_12.htm

http://www.international-auto.com/tbsensors.html

Demon, if you're right, there's a lot of misinformation out there.

Beer is my Gatorade. Hooray Beer. '98 "Sport" Pacific Green '98 E0 SVT Silver Frost Pictures