Is it normal for a car to run cold?
Is it normal for a car to run cold? Here's the thing, though – just like an engine can run too hot, it can also run too cold. As it turns out, every engine has its optimal working temperature that revolves around 200F, give or take. Every engine is different in this regard. Some work at temps closer to 100C, others work at much colder temps. What should coolant temp be when car is off? Thermostats normally open at around 80-90°C and the hose will only get hot once the thermostat has opened. Point is that the sensor is reading...