Oil changes: How often do you need them? (Marketplace)

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Jul 18, 2018 #car, #CBC, #change, #check, #dealership, #engine, #engine oil, #garage, #hidden camera, #investigation, #lab, #maintenance, #marketplace, #News, #OIL, #oil change, #test, #tune up, #vehicle

How often should you change your engine oil? In a hidden camera investigation, we test what you’re told at the dealership and then actually test your engine oil …

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