There are 5 owner-reported fuel system complaints for the 2016 Ram 2500in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2016 Ram 2500. The contact stated while driving at 65 MPH, the contact smelled a strong odor of gasoline and the contact felt the vehicle losing power. In addition, the contact noticed smoke coming from the rear of the vehicle, and no warning lights illuminated on the instrument panel. The contact placed a rubber line on the fuel line because he noticed the fuel line was rubbing against the frame of the vehicle causing the fuel line to wear. The vehicle was not diagnosed. The manufacturer was contacted, and a case was filed. The failure mileage was 87,000.
MY VEHICLE HAS WAS HAS BEEN COINED AS "DEAD PEDAL" THE TRUCK WILL HESITATE FOR A SECOND WHILE ACCELERATING. THIS PROBLEM HAS BEEN WELL DOCUMENTED BY MANY OTHER RAM DIESEL TRUCK OWNERS. THIS WILL HAPPEN WHEN MERGING INTO TRAFFIC OR CROSSING A STREET AND CAN BE VERY DANGEROUS.
THE HARDWARE SECURING THE EXHAUST MANIFOLD TO THE ENGINE HEADER BREAK AND CAUSE AN EXHAUST LEAK. EXHAUST CAN BE SMELLED IN THE CAB WHEN RUNNING THE HEATER.
TL* THE CONTACT OWNS A 2016 RAM 2500. WHILE DRIVING 75 MPH, THE VEHICLE INDEPENDENTLY SLOWED AND STALLED WITHOUT WARNING. THE CONTACT WAS ABLE TO RESTART THE VEHICLE. THE FAILURE RECURRED TEN MORE TIMES. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE VEHICLE WAS SUPPOSED TO RESET THE REGENERATION SYSTEM TO CLEAN THE DIESEL PARTICULATE SYSTEM WHILE DRIVING. HOWEVER, THE RESET WAS FAILING AND CAUSED THE VEHICLE TO SLOW AND STALL. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THE CONTACT SHOULD TAKE THE VEHICLE TO THE DEALER AS MANY TIMES AS NECESSARY. THE APPROXIMATE FAILURE MILEAGE WAS 15,000.
PURCHASED A NEW RAM 2500 DIESEL. AFTER 1200 MILES, THE DIESEL EMISSION FLUID (DEF) GAUGE BECAME ERRATIC AND GAVE ME A MESSAGE THAT AFTER 200 MILES THE TRUCK'S MAXIMUM SPEED WOULD BE 5 MILES/HOUR. THE AM DEALER IN OLYMPIA, WA TRACED THE PROBLEM TO A COMPUTER MODULE. THIS MODULE IS ON NATIONAL BACKORDER WITH NO DELIVERY DATE IN SIGHT. I AM ON MY WAY TO ALASKA, AND AM STUCK IN OLYMPIA, WA FOR WHO KNOWS HOW LONG. THE TRUCK IS IN PERFECT WORKING ORDER, EXCEPT THAT IT IS PROGRAMMED TO STOP (OR GO 5MPH) AFTER 200 MILES UNLESS THE DEF PROBLEM IS FIXED.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026