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Old Sep 20, 2009 | 06:00 PM
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So I know I'm going to get crap for this, but I get my oil changed at the dealer. I checked it the other day since it has been about a month since it was changed. It looked really dark for synthetic oil. From what I recall synthetic oil is very clear. Is it possible they never put synthetic in?

Is there a way to test for this?

I have about 77% oil life remaining and about 1,500 miles since my last change.
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Old Sep 20, 2009 | 06:08 PM
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Perfectly normal. Your oil is supposed to turn dark especially after a month of driving. That tells you that the detergent additives are doing their job of keeping contaminants entrapped in the oil and off the internal surfaces of your engine.
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Old Sep 20, 2009 | 06:13 PM
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Good to know, Thanks!
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