Reddit reply — long
That sounds like the **EcoDiesel emissions defeat & engine issues** issue — it's a known defect on Ram (FCA) 1500 from 2014–2016.
EPA-found emissions defeat devices plus EGR cooler and crankshaft failures. Settlement provided buybacks and extended warranties.
Source: In re Chrysler-Dodge-Jeep EcoDiesel Litigation (2019).
If you've taken it to the dealer 2+ times for the same thing, you might have a lemon-law case. I built a free tool that checks your specific car against active class actions and NHTSA records — defectfiles.com. Takes about 60 seconds, no signup. Worst case it tells you nothing's there.
Reddit reply — short
Sounds like the EcoDiesel emissions defeat & engine issues issue — well-documented defect on Ram (FCA) 2014–2016, In re Chrysler-Dodge-Jeep EcoDiesel Litigation (2019). If your dealer's tried to fix it 2+ times you may have a case. Free 60-sec check at defectfiles.com.