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 ...

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.

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.