2021 Ford Bronco engine problems

The 2021 Ford Bronco has 72 engine complaints filed with NHTSA — 25% of the year's total, and up sharply from the prior model year.

Engine complaints

25%

Share of year

Crash-involved

Related recalls

Engine complaints by year

Bronco engine complaints by model year. Red bars are years to avoid.

Related recalls

24V635000EngineAugust 23, 2024 · 90,736 units

Defect

Ford Motor Company (Ford) is recalling certain 2021-2022 Bronco, F-150, Edge, Explorer, Lincoln Nautilus, and Lincoln Aviator vehicles equipped with either a 2.7L or 3.0L Nano EcoBoost engine. The engine intake valves may break while driving, which can result in engine failure and a loss of drive power.

Consequence

A loss of drive power increases the risk of a crash.

Remedy

Dealers will perform an engine cycle test and replace the engine as necessary, free of charge. Owner notification letters were mailed July 3, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S55.

What owners report

“While pulling up to a yield sign the vehicle lost all power and shut off causing it roll past the yield sign and come to a stop in traffic blocking the roadway. The vehicle was towed to the Ford dealership and after being diagnosed it had a broken valve that caused catastrophic failure to the…”
Complaint filed with NHTSA · Engine · March 4, 2022

Common questions

How many engine complaints does the 2021 Ford Bronco have?

NHTSA has 72 complaints about the 2021 Ford Bronco engine — 25% of all complaints filed for that model year.

Are there recalls for the 2021 Ford Bronco engine?

Yes — 1 NHTSA recall campaign for this model year is tied to the engine: 24V635000.

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.