:confused013:Hello people,just got my 2008 6.7 last summer,impressed me because we did a camping trip (30'trailer) and she sang a tune all the way! But I have a dilema, I have changed oil in her and noticed thats its very thick and blacker than a bottomless pit! Just last week my chime came on for a oil change and I dumped 'er out about 7,000kms. wow was it thick.0-40 syn.is what I use.Is this oil this way from the egr. system dumping carbon back to the crankcase? I cannot help but think that the oil filter would not be able to flow properly with the thickness of the oil at the end of its service. Any inputs?
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