The 1990 Geo Tracker IAT sensor is located on the top of the transmission. The IAT sensor will be near the back of the transmission.
The IAT Sensor on a 1992 Geo Tracker is the Intake Air Temperature Sensor. Replacing the air filter might fix this problem.
The IAT ( Intake Air Temperature ) sensor is located on the back of the air cleaner housing.
Its on the Air box
on a 3 cyl.metro,the iat sensor is found on the air cleaner housing towards the rear of the assembly
The 1990 Chevrolet Corvette IAT sensor does have two wires. The sensor has a ground wire and a positive wire.
airbag sensor and iat sensor are not the same thing... wiki
connected to the air cleaner housing
The IAT sensor is mounted in the backside of the air cleaner housing for a 1.6 MFI (Multipoint fuel-injection) engine and for a TFI (Throttle body fuel-injection) enging it's located on the right hand side of the engine, mounted in the intake manifold below the throttle body.
On a 1990 Jeep Wrangler, the IAT sensor is located on the intake manifold. It is a gray, two-wire system situated on the front of the manifold.
rear of engine compartment near the bulkhead
I have heard it is located at the rear of the aircleaner assembly but it needs to be narrowed down from that vaque of answer.
on the air filter housing assy