https://www.jalopnik.com/1854807/expired-motor-oil-how-to-tell-can-you-use-it/
Pretty garbage advice and reads like AI, but this is written by a human. Jalopnik used to be pretty solid automotive information. Kinda sad.


Pretty garbage advice and reads like AI, but this is written by a human. Jalopnik used to be pretty solid automotive information. Kinda sad.
There are a number of ways to tell if motor oil has gone bad, and sometimes it's all about smell. If your engine oil smells like gas, or there is an oil smell inside the car, your motor oil needs changing. Another way to check if the oil has gone bad is with the ol' trusty dipstick. Pop open the hood, remove the dipstick, wipe it off, return it to the oil tank, and remove it again. If the motor oil is dark or dirty, it's time for an oil change. Other signs can be a knocking noise from the engine components grinding together, the oil light illuminating, or worse, the "check engine" light coming on.


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