This type of malfunction can cause a lot of issues, including engine misfires, oil leaks, and even mixing ... This guide will help you decide which is best for your situation.

Best of all, you just add them to your engine oil. All of these additives are helpful in some way, but there are enough to fill an entire aisle at your local auto parts store.

Synthetic oil used to be something ... you wondering which is the best for your car, even if you’re just getting the oil changed at your local service station. Motor oil is an engine’s lifeblood.