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Black smoke
Thank you for all the advice. I do drive 70 plus on the highway regularly, occasionally it does smoke but rarely. Factory emissions and exhaust filter installed. The crankcase is vented to the intake. I’m am making oil so I’m going to clean or replace the exhaust filter then check for oil... -
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Black smoke
I have a 2008 6.4 with 91000 miles on it. Sometimes I will get blue smoke coming from the exhaust, and it will last for about 2 minutes then quit. Sometimes I can go weeks at a time and on some days it happens two or three times and on other days not at all. My initial thought was I have a bad...
