Hyundai Sonata 2013 sedan 120000 km
So, the car overheats. I changed the thermostat because I realised the old one was stuck and did not work properly. The overheating stopped happening, but it started again after some days. The coolant temperature sensor, when pulled off as an emergency measure during overheating, sometimes does not activate the fan immediately. I suspect an issue with the wiring or the fuse, but I'm not certain. The engine is an LPI engine, 2.0