[Phantom]

MAF systems should still see less air and add less fuel, the reason why is the MAF is just a heated resistor that tries to maintain a specific temp the additional voltage needed to maintain the voltage tells it how much air it is seeing. If the incoming air is hotter then there is less voltage needed to maintain the MAF resulting in a lower value.

On Speed Density (uses volumetric efficacy tables) systems that use the MAP to determine the LBs of air being consumed still accounts for the reading of the IAT in its calculations. Changing the value of the IAT sensor might work shortly but the O2 sensor will correct for this but it could allow more timing to be added since it is thinking the temp is lower. If values are to far off the PCM can use other tables is active to calculate the amount of incoming air such as the "Default Air Table".