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a garage gave my subaru outback 2009 model diesel an oil change, the dipstick shows black oil unlike what I saw before the change. the mechanic told me that because my car is diesel it makes the oil black. is this right ?
a garage gave my subaru outback 2009 model diesel an oil change, the dipstick shows black oil unlike what I saw before the change. the mechanic told me that because my car is diesel it makes the oil black. is this right ?