The check engine light means one of your car’s systems is malfunctioning. If it’s flashing, pull over as soon as you safely can. If it’s steady, follow these simple steps. Many, or all, of the ...

•Most motor vehicles manufactured after 1996 are equipped with electronic fuel injection. •As much as bad fuel may trigger the check engine through the lambda sensors, there's something else that ...

Neither black tape nor a magic marker is the solution when your car or truck's check-engine light comes on. When the light, which is shaped like the outline of an engine, illuminates, do not panic!

A check engine light can mean anything from minor to major — so in this video, we dive straight into diagnosing what went wrong with the BMW. Using proper scanning tools and hands-on testing, we track ...

Q: We have a 2011 Chrysler 200 Limited with about 23,500 miles. When we took it in for the emissions test, the test apparatus could not communicate with the sensors. Our Chrysler dealer said the ...