Gas Definition - AutoZone Glossary

Forced induction can add a lot of power to an engine. Learn more about turbos and superchargers.

Wonder how cold weather affects gasoline? Learn how cold is cold enough to freeze gas.

It's common knowledge that oil protects engines. But do you know why?

Getting P2135 on your code reader? Learn what this code means and how to fix it.

Wondering what P0496 indicates? Learn some common causes and solutions.

Learn what P0456 means and what to do about this trouble code.

Reading P2138 on your scan tool? Learn what this error code means and what to do about it.

Learn about trouble code evaporative emission system leak detected and how to fix it in this article.

High mileage oil is pretty much what it sounds like, oil for engines with a lot of miles on the odometer—more than 75,000 miles to be exact.