Ram Trucks 2014 ProMaster Commercial - Diesel Supplement - Manual (Page 106)

Component Fluid, Lubricant, or Genuine Part
Fuel Selection Use good quality diesel fuel from a reputable supplier in your vehicle.
Federal law requires that you must fuel this vehicle with Ultra Low Sulfur
Highway Diesel fuel (15 ppm Sulfur maximum) and prohibits the use of
Low Sulfur Highway Diesel fuel (500 ppm Sulfur maximum) to avoid
damage to the emissions control system. For most year-round service,
No. 2 diesel fuel meeting ASTM specification D-975 Grade S15 will provide
good performance. We recommend you use a blend of up to 5% biodiesel,
meeting ASTM specification D-975 with your diesel engine.This vehicle is
compatible with biodiesel blends greater than 5% but no greater than
20% biodiesel meeting ASTM specification D-7467 provided the short-
ened maintenance intervals are followed as directed.
Diesel Exhaust Fluid MOPAR® Diesel Exhaust Fluid (API Certified) (DEF) or equivalent that has
been API Certified to the ISO 22241 standard. Use of fluids not API Certified
to ISO 22241 may result in system damage.
104 MAINTAINING YOUR VEHICLE