How Often Do You Need To Replace Your Thermostat or Temperature Sensor? Automakers build these parts to survive and often you won’t know it’s time to replace one until it fails.

The Apple Watch Series 8 and Apple Watch Ultra feature a new temperature sensor. Here's how it works and what you can use it for.

The main ones are the temperature sensor, manifold pressure sensor (your car doesn’t have one), mass airflow sensor, throttle-position sensor and crank or RPM sensor.