On the 2012 Ford F-150 3.5L, the intake air temp sensor is built into the Manifold Absolute Pressure Sensor. The MAP/IAT Sensor is located on the top of the engine mounted to the intake. At the IAT Sensor, the wire colors are:
Violet/Gray = IAT Signal ( + )
Yellow/Green = Signal Return ( – )
Does your vehicle have a similar problem? Get connected to a Live Q&A session with a certified Auto Mechanic and get your answers on this problem now!