Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

When something feels off with your car, it's always a good idea to pay close attention. Often, these small signs are hints that there's a bigger problem that needs your attention. For example, you ...

Understanding the importance of the red oil pressure warning light and why it demands immediate attention to prevent catastrophic engine failure.

This may sound like something out of the original "CSI: Crime Scene Investigation" TV series, but you can tell a lot about engine health by pulling out the dipstick, reading the oil level, and ...

Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...