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 ...

First, let’s talk about my new car, which I’ve been driving for only six months and hasn’t even reached ten thousand kilometers. A friend had told me, "You need to take care of a new car," so I bought ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader curious about using Marvel Mystery Oil. AP Photo/David Zalubowski Q. I perform routine maintenance on my family’s cars and just ...

Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com. Over time and miles, your car might start to slow down. It might not ...

Along with improving reliability and performance by enhancing control of the air-fuel mixture, injectors also need less ...

This TikTok hack promises to clean your car engine for just $10—but does it actually work? TikToker STONERMANE UNCUT (@stonermaneuncut) explained the hack that “mechanics don’t want you to know” in a ...

Think you're saving on gas? You might not be. Learn which fuel-saving tips are myths -- and discover four proven ways you can ...

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 ...