One of the reasons your engine light came on might be because of a vacuum leak. Here's how to check if one occurred in your vehicle's engine.

If you're facing a check engine light with codes related to the mass air flow (MAF) sensor or vacuum leaks, this DIY guide will help you troubleshoot and fix the problem without the need for ...

Dear Doctor: I own a very low mileage 2000 Toyota Corolla with 37,400 miles. It is used mostly for local city driving. The “check engine” light came on and the code read “lean condition ...

Changing the oil is the most common maintenance you'll have to do on your car, but what happens when the check engine light comes on afterward?