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 ...

Oil is the lifeblood of your car’s engine. Staying on top of your oil status may be a car owner’s most important maintenance task. It’s a check that remains relatively simple despite other areas of ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

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 ...

In today's high-tech cars, the "Change Engine Oil" message is no longer just a calendar reminder slapped on a windshield at 5,000 miles. Many vehicles now use an oil-life monitoring system that tells ...

When you need to change your oil filter, it's tempting to skip the messy oil change and just swap the filter, but is that the right thing to do?

Keeping a combustion-engined car in shape requires some effort. Part of that is changing the motor oil and filter on a regular basis to lubricate the moving metal components and keep the engine in ...

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 ...