How Quickly Can Engine Oil Go Bad, And Does It Expire?

Semi-regular oil changes are (or should be) a regular part of car ownership, with some drivers going to a mechanic for the service and others opting to do it themselves. Changing your own oil comes with a few considerations beyond the act itself. There are several brands of oil to choose from, as well as different oil types intended for different kinds of engines, environments, and so on. You’ll want to be sure to pick something that works well with

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