2021 Ford Bronco Sport · symptom sheet
Engine stalls or loses power while driving
- 127owner reports
- 40,000median miles
- $510median quote
- 2involved a crash
Newest report Sep 15, 2026 · checked Oct 2, 2026
489 of the 696 complaints on this car are about the electrical system. 127 of those describe stalling, which makes it the most reported problem on the 2021 Bronco Sport.
Tick what matches of 127 reports
Stalling on other Bronco Sport years
Report counts are for each model year on its own, so a newer car has had less time to collect them. Model years with too few reports of it for a sheet: 2023, 2024.
What this problem usually is
Stalling reports are some of the most alarming on the site. The engine quits while the car is moving, sometimes on a highway and sometimes at a stop. Many owners say it restarted right away and the dealer found no stored code, which is part of why these complaints pile up before anything gets fixed.
What got replaced
Owners who name the part that was replaced mention the battery (56 reports), the alternator (6 reports) and the fuel pump (4 reports).
Recalls and investigations
10 recalls on the electrical system cover the 2021 model year. A recall on the same system isn't always the same failure, so read the defect text.
The engine block heater may crack and develop a coolant leak, causing it to short circuit when the block heater is plugged in.
A fuel injector may crack and leak fuel inside the engine compartment.
The body and power train control modules may fail to detect a change in the 12-volt battery state of charge.
A fuel injector may crack and leak fuel inside the engine compartment.
The 12-volt battery may experience degradation and suddenly fail.
The body and power train control modules may fail to detect a change in the 12-volt battery state of charge.
A fuel injector may crack and leak fuel inside the engine compartment.
The engine oil separator housing may crack and develop an oil leak.
The fuel delivery module may leak inside the fuel tank, causing low fuel pressure which could result in an engine stall.
An inadequate amount of lubricant in the rear drive unit may cause seizure of the rear drive axle.
All 16 recalls on the 2021 Ford Bronco Sport, with the owner complaints on each recalled system
NHTSA investigations into the electrical system on the Bronco Sport
Loss of motive power. Closed oct 10, 2025, led to recall 25V-019.
Underhood fires caused by fuel leak. Closed oct 30, 2025, led to recall 25V-467.
Loss of motive power. Closed aug 19, 2024, led to recall 24V-267.
What owners paid
18 of the 127 reports quote a price. Each dot is one quote. The middle half runs $201 to $1,000.
When it happens
The middle half of failures fell between 19,000 and 53,600 miles, from the 51 reports that gave a mileage.
What owners wrote
“While at stop light, engine shut off (auto start-stop). Wouldn't restart, car would not move, automatically went into park, wouldn't go into neutral to be moved, and was stuck. Had to manually release the vehicle into neutral to be moved. Battery was completely dead, replacement solved the issue. Battery was less than 2 years old. Approx. 50k miles.”
Filed Feb 7, 2024 · 50,000 miles
“Driving i10 west and my vehicle lost power shifted hard and went in limp mode. Wrench light came on with these warning awd/powertrain, hill assist front end collision unavailable, wonât shift to park”
Filed Nov 8, 2023
“Ford Bronco Sport completely stalled at a traffic intersection nearly causing an accident. All power was off, including lights, doors, and starter. Taking car to dealer on Monday, closed during the weekend.”
Filed Jun 17, 2023
“2nd time in a month this car has shut off completely while in motion. Both times in an intersection. No power to even turn on hazards to let traffic know I was stuck. Finally gets some power and hazards are able to come on but they are faulty and glitch, do not stay consistently on. Ford had no answers for me a month ago and just sent me home.”
Filed Feb 8, 2023
Should you keep driving it?
This page can't tell you that. 2 of 127 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.
File your own report with NHTSA. Complaint counts are how a problem gets an investigation. How reports land on this sheet.
Guide Paid for this repair before a recall covered it? How recall reimbursement works
Other problems on this car
- Brakes grind, pulse or wear early 126 reports
- Battery dies or the car will not start 107 reports
- Infotainment, screen or backup camera fails 66 reports
- Transmission shudders, slips or shifts hard 40 reports
- Multiple warning lights come on at once 37 reports
- Check engine light or misfire 35 reports
- Driveshaft, axle or transfer case problems 35 reports
- Engine overheats or leaks coolant 26 reports
- Transmission fails or needs replacement 25 reports