I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Modern cars have a ton of electronics and sensors on board, and that usually includes multiple oxygen sensors. Here's why cars have more than one.

My 2016 Honda Accord has the four-cylinder engine and 112,000 miles on it. The car is throwing a P0420 code, catalyst ...

When was the last time you thought about your vehicle's often overlooked parts, like the O2 sensor? The truth is that the O2 sensor serves a very important purpose and it can go bad, which means you ...