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![]() ![]() ![]() Drives: 2015Yaris, Son's car, 10 Prius Join Date: May 2010
Location: Texas
Posts: 182
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The best way would be to do an oil analysis.
But I don't change the oil until 10k with synthetic and never a problem. No oil burning etc and have gone many many miles. I do use a Toyota oil filter though. https://www.blackstone-labs.com/ |
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