Motorcraft full synthetic 0w20 18 Mazda6 sky active

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1,001
Location
Missouri
Did an oil change on my Mazda before our trip to Colorado. Everything looked good except the said potassium was really high. Oil before this was super tech 0w20. Always been on 5K oil changes

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17,207
Location
...
Not sure why the potassium is up but the rest of the report is very good. I wouldn’t worry at this stage.
 
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