Quote:
Originally Posted by jdinh701
why does every car manufacturer do this when it is not good for your engine?
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Easier and safer, you would be amazed by people ignoring regular oil changes let alone having to drain can of oil that can fill up and cause problems.
There could be other factors like complying with laws. For example, the EGR system used in some cars is not the greatest thing for engines but they had to do it for emissions.