Once again, we asked a question, and the Hagerty community delivered the goods. We all have a shared experience with automotive upgrades, and it seems that I am not alone in regretting some of my ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

A viral video claims to show something every frustrated driver wants to believe: a car getting just 10 mpg suddenly jumping ...

You might have heard of cars going into "limp mode," but what exactly is it? And how do you get a car in limp mode functioning normally again?