WHAT DARK ENGINE OIL REALLY MEANS FOR YOUR CAR'S HEALTH

Don’t Panic Over Dark Oil—Here’s What You Should Know Dark engine oil is often misunderstood. Many drivers think that once motor oil turns dark, it’s time for a change—or worse, that something is wrong with their vehicle. But the truth is a little more complex. In many cases, dark engine oil is not a sign of trouble, but a sign that your