Your check engine light can come on for a lot of different reasons, but there are only a few that occur after putting in gas.

Few things are more frustrating for drivers than the dreaded check engine light, which signals a potential problem with the car's engine without providing a specific hint about the issue.

The pros don't always get this right the first time, either. The post How Do You Reset the Check Engine Light on Your Car?

Car diagnostic tests are typically carried out when a vehicle’s dashboard shows a “Check Engine” signal or other warning light illumination. They can also be performed preventatively as part of ...