Little wrench light on dashboard on 2008 Mercury Sable

The light has come on two different times - both when driving up steep hills in hot weather. The light has since gone off and there doesn't seem to be any problem. Do I have a problem or not and how big is it?

by in Butte, MT on August 06, 2010
1 answer
ANSWER by on September 11, 2010
Here is some info about this warning light: http://repairpal.com/throttle-control-warning-light