Hi people, here in Brazil we do not have the models 1.4 and neither 1.8, what we have here is only 1.6 16V (2012 - 2014) manufactured in Korea and Mexico. Here we have the same power failure or loss problems when turning on the a / c. Usually it happens when the ambient temperature is above 30G or 86F in the USA and it is the same, the dealers do not solve because they do not find the problem. In my car I changed the ambient temperature sensor, I took it out of the lower grid and put it in the upper grid, it did not solve the problem but it slowed down, because the sensor there is wrong reading because it also reads the temperature of the ground, the street. By the way the problem is chronic and worldwide