Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

Some folks impacted by the L87 engine recall should now be running an updated oil spec, which has us wondering - how's your unreplaced L87 engine doing so far?

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

A mechanic cracked open a neglected engine and what he found was brutal.

Subaru has a mixed reputation for reliability, most notably due to common problems associated with the boxer engines the ...

We may receive a commission on purchases made from links. Some people have described the Ford 5.4L Triton engine as "one of the worst V8's ever produced." And while it didn't make it onto our list of ...