Perhaps some good news!
http://www.greencarreports.com/news/1108598_2017-ram-jeep-diesels-should-be-certified-by-epa-shortly-company-says
http://www.freep.com/story/money/cars/chrysler/2017/01/26/marchionne-fiat-chrysler-epa-diesels/97079320/
Anyone else come across this? They do mention the EPA allegations in this video starting around the 3:30 mark.
The MPG figures are about what I expected...
Yep!
New Requirement as of July 2016
You can now use 5W-40 synthetic engine oil such as MOPAR or Shell Rotella that meets FCA Material Standard MS-10902 and the API CJ-4 or ACEA E9/E7 or ACEA A3/B4 engine oil category is required.
See this thread for more info...
Many are tuned and have issues with the dealer wanting to update your ECM. But once you're tuned that update overrides your custom tuning. This should help and hopefully the technician will not go as far as taking it off to do it.
We all know how well most service writers listen...