I have a question about my diesel. It has been running great, but I started noticing that it was using oil. Sometimes as many as 4 qts in 8,000 miles. Then it started smoking recently. I noticed that the smoke was coming from a tube under engine. The smoke smells like burnt oil. Anyone have a suggestion for me. I am told that this is an overflow from the crankcase. I don't think it should be smoking so bad. Any advise would be appreciated.

Thanks

 

Welcome to the site. The piston rings are most likely worn and you are burning oil,
FF

 

Welcome to the forum.