- The problem
- 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.
- The risk
- A loss of drive power increases the risk of a crash.
- The fix
- 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.
Engine & cooling
2021 Lincoln Nautilus Engine problems
Owners have filed 5 complaints about the 2021 Lincoln Nautilus's engine & cooling with NHTSA - 18% of all its complaints, most recently on June 1, 2026. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
- Complaints
- 5
- Recalls
- 1
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Engine recalls for the 2021 Lincoln Nautilus
Engine complaints
2021 Lincoln Nautilus Reserve 2.7-liter twin-turbocharged V6 with coolant intrusion caused by a blown head gasket on cylinder #6. Vehicle would not accelerate properly and lurch forward when the gas pedal was pressed over 25%. The issue was taken to the shop and not found. The issue progressed and was taken to the shop a second time. The issue was found from a misfire code on cylinder #6. Vehicle is currently being repaired.
Vehicle died in parking lot. The electronics all worked, it just would not start and would not go into any gear. Had to have it towed to dealer for repair. They replaced the PCM but it still would not start. They again replaced the PCM and a fuse. The vehicle started. This is the FOURTH time for the exact same issue. It died twice on the previous owner, once while on the highway. It also died twice for the mechanic while trying to diagnose / test drive the unit for the previous owner. We were lucky it died where...
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it could be towed as it's an all wheel drive unit. It has also had an O2 sensor replaced, and the previous owner suffered wiring issues (replaced the engine bay body harness), sunshade recoil failed, abnormal noise in rear end when turning, etc. All issues were corrected. However, I am uncomfortable that these issues may re-occur. Another failure of the PCM and/or electrical issue could cause the unit to die in a situation that could be life threatening.
Recall 24S55/24V635 was issued in October 2024, the issue with intake valves was discovered prior to October 2021. My car was manufactured in July 2021 within the time of inefficient intake valves. The problem continues to exist as there is no remedy. No remedy and no problem dealer won't look at the car, (even with a clicking noise) I don't drive it with concern my engine will quit in the middle of the road and I could be 500 miles from home. It actually has to stop dead in the middle of the road to be looked at....
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I can't trade it because it's under recall. It's a catch 22. Why can't these vehicles be taken in and tested to see if the intake valves will crack. Consumer safety should be all that is concerned with, not the bottom line. Shame on Ford/Lincoln for hesitation and NHTSA for allowing it.
The contact owns a 2021 Lincoln Nautilus. The contact received notification of NHTSA Campaign Number: 24V635000 (Engine and Engine Cooling); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was contacted. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
The contact owns a 2021 Lincoln Nautilus. The contact received notification of NHTSA Campaign Number: 24V635000 (Engine and Engine Cooling); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
Lincoln Nautilus engine complaints by year
Nautilus engine problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data