2021 Ford F-350 SD check engine light reports

11 NHTSA complaints describe persistent or recurring check-engine warnings on the 2021 Ford F-350 SD — roughly 11% of all complaints for this model year.

Check engine light reports

11%

share of complaints

92,567 mi

median reported incident mileage (all complaints)

Components reported on this vehicle

Fuel System, Diesel 23 Engine 14 Fuel/propulsion System 14 Electrical System 13 Power Train 10 Back Over Prevention 5

Check engine light in other F-350 SD years

2022 F-350 SD	7
2020 F-350 SD	15
2019 F-350 SD	6
2017 F-350 SD	7
2016 F-350 SD	12
2015 F-350 SD	13
2008 F-350 SD	7
2004 F-350 SD	6

F-350 SD check engine light by year →

Other symptoms owners describe on the 2021 Ford F-350 SD

Loss of power 9 Vibration / shaking 8 Stalling 6

Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2021 Ford F-350 SD report before drawing conclusions.

Check engine light across all vehicles →