
Fig. 7.4. Location of the IAT sensor (1) for the temperature of the air sucked into the engine on the housing (2) of the air filter on the front left side of the wheel arch
Fiesta engines are equipped with a device for preliminary heating of the intake air, which ensures uniform operation of the engine in the cold season. The heating device is controlled by the intake air temperature sensor 1 (Fig. 7.4), the air is heated in the hot exhaust manifold. The fuel-air mixture passing through the air flow meter forms a more homogeneous consistency as a result of this heating.