Cummins 6.7L Oil Change Mileage
I just went over 12000 miles and I've changed the oil 3 times and just had the annunciator go off telling me I need an oil change again after only 3000 miles of highway driving, WTF? I have an oil analysis from my last change that I keep forgetting to send because this just isn't right. Cummins states that the interval should be 7000 miles but if you go by the annunciator I'm not even getting half that mileage.
What are all of you 6.7L ownerz seeing for oil change interval per the overhead annunciator?
I'll get that oil in the mail ASAP.
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