on February 11, 2015, 7:26 pm, in reply to "sprinter, lots of white smoke at idle and light revs"
Have you checked EGR operation.
The air mass would be around 540 without EGR (as in blanked off or not opening).
Regards
Message Thread 
Mercedes Sprinter 2.2 2007 - Lots of white smoke at idle and light revs - Unresolved # - Chris Angus February 11, 2015, 6:21 pm
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