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Can you use unused oil from previous oil changes?

  

1
Topic starter

Hello, I do my own oil changes and usually use about 4qt for my engine but I buy the 5qt containers because it's cheaper that way. Is it safe to use the qt of oil from the opened container on my next oil change or do I always just discard the excess?


3 Answers
3

I use it. It's perfectly good oil.


1

It’s fine. I use it to top off. 


0

Good for several years (easy).  Just try and remember to shake it a couple times.  Sometimes the oil additives will settle to the bottom.


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