Analyzing the oil in your vehicle is like sending your blood to the lab for tests. An engine oil analysis can provide clues about the health of your engine – without any invasive surgery. By analyzing ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

Diesel engine oil additives are popular add-on layers of protection, but many of their cornerstone benefits are already engineered into base lubricants. Brian Humphrey, OEM technical liaison for Petro ...

We earn commissions from purchases you make using links in our articles. Learn more. Most drivers know that regular oil changes are necessary to maintain the life and performance of their vehicle. For ...

Engine oil seems so simple. It's slippery. It keeps metal parts from fusing together. It's messy, especially when it has been squeezed, slung, and sprayed around the inside of a hot engine for ...

We may receive a commission on purchases made from links. Regardless of whether you drive an old Camry or high-performance sports car, your vehicle will have a specific maintenance schedule. It will ...