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 ...

As someone who's driven classic cars daily for around 15 years, as well as working on and restoring such cars throughout my education, I take vintage automotive maintenance very seriously. Many of ...

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 ...

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 ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

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 ...

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 ...

Regardless of whether it burns gasoline or diesel, your internal combustion engine works by igniting a mixture of fuel and air to create power. To do so effectively, it must reduce the detrimental ...