The color of your car's engine oil can tell you a lot about its overall health, including alerting you to potentially ...

Playing second fiddle to the dreaded check-engine light is the oil light, one of the many dashboard warning lights that you shouldn't ignore when it illuminates while driving. Some cars have multiple ...

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 ...

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

Engine oil performs several vital functions: it keeps everything lubricated and running smoothly while also preventing corrosion inside the engine block, keeps things somewhat clean, and even helps ...

Where Is the Oil in a Car and What Does it Do? The typical engine has a large oil reservoir (the crankcase) that holds several quarts of oil. The oil is drawn from the crankcase oil pan into a tube ...

Too much oil can cause low oil pressure just like too little oil. A ticking sound or a low oil-pressure light could indicate too much oil is in the engine. Drain off excess oil to avoid damage to your ...

Fuel dilution of the engine oil is a problem that faces many modern combustion engines. Also known as “crankcase dilution” it is a process where fuel is leaked into engine oil when it travels towards ...

Your car's dashboard has a number of different warning lights and indicators. Any enterprising gearhead who has driven a lot of old cars can likely tell you how many times they have driven with the ...