Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

Q: I have a couple of friends: one swears by oil additives – especially the brand Lucas – and another claims an oil additive ruined his truck engine. What is your take on oil additives? A: Some oil ...

Many of us try to eat right and have a well-balanced diet. We eat good foods and try to keep ourselves in good shape. Most of us benefit from taking vitamin supplements to boost certain areas of our ...

High-mileage oil is loaded with advanced additives intended to solve specific problems for high-mileage engines. You should ...

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 ...

The oil you put in your engine matters. After all, your engine contains many moving parts that must remain lubricated to work properly. Otherwise, your engine could develop some serious wear and tear.

Motor oil has quietly become one of the most important choices car owners make, especially as vehicles routinely cross ...

Viewer-submitted questions for The Car Doctor: Q: My car makes a funny sound when I turn left, like grumbling noise, but not when I turn right. Will I get charged if I bring the car to be diagnosed ...