2015 Ford F-350 SD engine problems

37 owner complaints filed with NHTSA name the engine on the 2015 Ford F-350 SD — 18% of all complaints for this model year.

Engine complaints

18%

share of all complaints

52,576 mi

median reported incident mileage

0 / 3

crash / fire reports

What owners report

“2015 Ford F350 6.7 liter Diesel Turbocharger with only 58,000 miles malfunctioned while accelerating on to freeway without any prior warning indicators or symptoms. Immediately engine acceleration was reduced drastically causing freeway cars to nearly rear end my vehicle and other cars swerving to…”
filed Jul 25, 2025
“The contact owns a 2015 Ford F-350. The contact stated that upon inspecting the oil level, the dipstick had fractured in half. In addition, the contact stated that the dipstick was rusted. The vehicle was not repaired. The local dealer was not contacted. The manufacturer was notified of the failure…”
filed Mar 7, 2025

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Some 2013-2016 Super Duty vehicles equipped with a 6.7L diesel engine and 2015-2019 Transit vehicles equipped with a 3.2L diesel engine may not pass a state smog test due to the exhaust gas system (EGS) monitor that…
SSM 54690 · Service Bulletin/Repair Instructions · issued Mar 26, 2026
This article supersedes TSB 22-2201 to update the Service Procedure and Parts List. Some 2015-2019 F-Super Duty and 2016-2019 F-650/F-750 vehicles equipped with a 6.7L engine may exhibit an oil leak from the oil filter…
TSB 22-2248 · Service Bulletin/Repair Instructions · issued Feb 20, 2024