Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread chasers can save your DIY project.

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

TRAVIS COUNTY, Texas — Editor's note: This story initially reported that two people had to be rescued from the ride. This is not the case, as they were only stuck ...

Editor's note: This story initially reported that two people had to be rescued from the ride. This is not the case, as they were only stuck briefly and the ride ...

Jonathan Crews’ 2014 shooting death and the questions surrounding suicide versus homicide are reexamined in Dateline: Secrets ...