When your car says it’s hot outside, just how accurate is the reading? Where ...

Q: Where is the outdoor temperature sensor on a car generally located? I ask because it appears that the temperature indicated on the dashboard does not always align with the ambient temperature. If ...

What’s being described as an “onboard weather station,” the 3.6L twin-turbo LF3 V6 engine launching in the 2014 Cadillac XTS Vsport and 2014 CTS Vsport this fall is equipped with a set of sensors that ...

Engineers design modern engines to run in a narrow temperature window where power, efficiency, and emissions all line up. The thermostat sits at the center of that control, opening and closing a ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.