When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

A 2020 GMC Sierra 1500 owner reports a complete engine failure at 77k miles, despite regular dealer service. The owner is questioning whether other 2020 5.3L engine owners have experienced similar ...

If your check engine light flashes and then stops, it could signal a serious issue. Learn what it means and what steps to take next.

This 2014 Mercedes-Benz GLK arrived at the shop with a Check Engine light on. The mechanic sent him home with a $3,000 bill ...

Diagnosing a check engine issue a simple process, with problem codes obtained by a scanner plugged into the car’s OBD II (onboard diagnostics) jack.

While your check engine light is obviously meant for engine issues, it can often give you clues to problems in other parts of the car as well.

"The check engine light is designed to come on when a vehicle's on-board diagnostic system sees a problem that impacts emissions or drivetrain issues," said David Rich, CarMD technical vice president.

CarMD’s latest study looks at the most common check-engine light repairs and their average costs over the previous calendar year, then ranks the results.

Come check out all the different pictures and details about 19 Ways to Diagnose Car Engine Problems, and so much more. Read all about it and the great details in this issue of High Performance ...