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 ...

If you've ever removed your oil cap during a routine check or oil change and noticed a creamy white or yellowish, almost mayonnaise-like substance underneath it, you're not alone. You'd be well within ...

Changing a car’s oil is something everyone should know how to do. Fresh oil is essential for keeping your engine healthy, and swapping it out at manufacturer-suggested intervals is easy enough that ...