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 ...

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 ...

Oil additives play an essential role in maintaining car engine health. They provide additional lubrication, protect against wear and tear, and help remove impurities and build-up from your engine.

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 ...

If you want your 1974 Maserati Bora to last, use the best oil additive you can find. Photo credit: David Traver Adolphus / AutoGuide.com. Most drivers know that regular oil changes are necessary to ...

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 ...

Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

John Paul, AAA Northeast's Car Doctor, answers a question from a reader curious about using Marvel Mystery Oil. AP Photo/David Zalubowski ...

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 ...

Exactly as it sounds, high mileage oil is oil for engines with a lot of miles more specifically, more than 75,000 miles. Engine components like the crankshaft, pistons, rod bearings, and valve seals ...