2021 Ford Bronco Fuel/propulsion System Problems
NHTSA component category: FUEL/PROPULSION SYSTEM · data through 11/01/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How fuel/propulsion system ranks on this vehicle
Share of the 230 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Ford Bronco overview page.
What owners report
“While driving my family of 4 the week before last, our Bronco without warning began shaking and then lost all power / ability to accelerate…”NHTSA complaint 11610008 — filed 08/21/2024
“Vehicle stopped multiple times over the course of 2 weeks. 1 time it shut off while driving on a side road. I was able to…”NHTSA complaint 11606019 — filed 08/02/2024
“Week and half ago engine started idling real rough, sputtering, then drove about 100 yds. Engine conked out in middle of intersection and would not…”NHTSA complaint 11588716 — filed 05/14/2024
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Fuel/propulsion System complaints by year filed
Frequently asked questions
Does the 2021 Ford Bronco have fuel/propulsion system problems?
Fuel/propulsion System is the #4 most-reported problem area on the 2021 Ford Bronco: 23 of 230 complaints on file (10%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 Ford Bronco have in total?
230 complaints were on file with NHTSA as of 11/01/2026. Across all categories, 6 involved a crash, 3 involved a fire, 7 reported injuries, and none reported deaths.
What does NHTSA's fuel/propulsion system category include?
NHTSA assigns each complaint to standard component categories; this page reports the FUEL/PROPULSION SYSTEM category exactly as NHTSA defines and records it.
