A check-engine light could be a gentle reminder or a sign of something catastrophic. We explain what a malfunction indicator light is and what you can do about it.

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion ...

If you're having trouble getting your car to start, especially on a very cold day, the engine may be flooded. Here's how to tell, and how to fix it.

General Motors is recalling nearly 600,000 vehicles due to possible engine issues. Here's how to check if your car is affected.