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.

We can read both OBDI and OBDII codes using a scan tool. The need for a diagnostic scan tool can make interpreting a check engine light difficult. If you don't have access to one of these devices ...

Most drivers don’t understand the purpose of the light. It’s not to tell you that your coolant or oil is low. It has to do with emissions ...

A car diagnostic test procedure is often carried out as follows: The test begins as the scanner examines the “check engine” light code. Your car’s computer produces a code alongside the check engine ...

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.

“Ignoring the Check Engine light can cause a car to fail an emissions ... s OBD port that will display alphanumeric trouble codes to help pinpoint engine problems and other issues.