Whenever you’re inspecting a used car, you should always pop the oil cap and inspect it for milky residue on the underside. This white substance can indicate how the vehicle’s been cared for and if ...

Your engine oil is as essential to your car as your blood is to your body. Without it, your motor won’t run. And just like a doctor can tell a lot about your health by testing your blood, you can ...

To understand how overfilling your engine oil is too much of a good thing, it’s helpful to provide a little background. Engines are comprised of hundreds of precision-crafted parts working in unison ...

Running out of oil is one of the quickest ways to ruin an engine, but not changing it can have the same effect over time. Oil gets dirty as it runs through your engine, and it loses some of its ...

We may receive a commission on purchases made from links. Whenever I get my hands on a newly bought used car, my checklist includes inspecting a few underhood items as part of the "getting-to-know-the ...

Q: My 2020 Subaru Impreza was recently serviced at the dealer. The service person installed 6 quarts of oil. According to the manual, there should have been only 5 quarts of oil. The oil level on the ...