IAT sensor (intake air temperature) or more commonly known as
the MAT (manifold air temperature) sensor is located on either the
air intake snorkel or the manifold
Where do you find the IAT sensor on 1997 Chevy 2500 van?
it will be in the throttle body iat stands for idle air control
and its actually not a sensor its an electro magnet that controls
what its named for good luck