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Oil in flame trap

Is this worse than before? From previous posts, many of the 850s get lots of oil in their rebreathing lines. As the other posts recommend, clean all the lines thoroughly. I am having to do this once a year or so. If it is really worse than before you might have a clogged oil separator or the engine is worn and there is more oil blowby. Clearing or replacing the oil separator requires removing intake manifold. I don't know how often the oil separators really become clogged up.

It is not clear how the smooth running of the engine would be related to the rebreathing system. If you remove the oil filler cap with the engine idling, is there lots of pressure behind the cap? How about the throttle body? Is the bore clean?






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