2021 Ford Bronco Sport engine problems

140 owner complaints filed with NHTSA name the engine on the 2021 Ford Bronco Sport — 21% of all complaints for this model year.

140

Engine complaints

21%

share of all complaints

49,850 mi

median reported incident mileage

3 / 10

crash / fire reports

What owners report

“The bronco sport was being driven, suddenly an gasoline odor was slightly noticed, it was almost dismissed because the intersection the vehicle was currently at has 4 gas stations. The SUV suddenly turned off, alerts popped up on the screen and smoke began to rise from underneath the hood. As the…”
filed Jul 25, 2026
“The contact owns a 2021 Ford Bronco Sport. The contact stated that the check engine warning light illuminated. There was an abnormal odor of exhaust fumes inside the vehicle. Initially, the driver thought it emerged from other vehicles; however, a passenger smelled exhaust fumes, became sick, and…”
filed Jul 9, 2026

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

Certain 2021-2024 Model Year Bronco, 2021-2024 Model Year Bronco Sport, 2020-2022 Model Year Corsair and Escape, 2016-2024 Model Year Explorer, 2019-2020 Model Year Fusion, 2016-2018 Model Year Focus RS, 2022-2024 Model…
25B51 · Other · issued May 9, 2026