It might seem like a small detail, but the color of your engine oil can speak volumes about what’s going on inside your car.

Your car's dashboard symbols generally fall under one of two categories: specific indicators with a single clear meaning and broad warnings with multiple potential causes. Specific indicators like the ...

Internal combustion engines need the correct oil level to run harmoniously. Too much or too little oil could harm engine longevity and performance. For instance, continuously driving with an engine ...

While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...

The average car has around 30,000 parts and many fluids are used to keep them running properly. The most important fluids are motor oil, transmission fluid, brake fluid, washer fluid and coolant.

It sounds like a basic procedure — pull the dipstick, check the oil level, and top off if needed. However, if that is your whole game plan, you might be missing what the dots and lines on that metal ...

Few things are more frustrating for drivers than the dreaded check engine light, which signals a potential problem with the ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

Curious to see the damage caused by running on low oil? This teardown of a blown BMW B48 engine shows what goes wrong and the ugly aftermath.

Changing your own oil can save money and prevent unnecessary upselling. Check your oil level and type before starting the process, using your owner's manual or online resources. Gather the necessary ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...