Here is my EcoDiesel story:
Bought a 2014 Laramie on Sep 20th, 2019. Good price, trusted dealer, Carfax showed all the recalls had been addressed except for the tailgate (no problem there). Truck was originally Canadian, imported to US via Idaho in 2018. Emissions update had been done in May...
Just purchased a '14 ecodiesel and the p0191 code came up about 1500 mi into me owning it and then about 500 miles later, got another along with a p0087. Although the dealership ensured me that "all routine maintenance had been done" I pulled the fuel filter and it was almost jet black and there...