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Fuel systemPart report

2021 Lincoln Aviator Fuel system Problems

Complaints
5about this part
Share
13%of 40 total for the year
Median mileage
98,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the fuel system of the 2021 Lincoln Aviator, 13% of the 40 complaints for this model year. Where a mileage was given, the median is 98,500 miles. 1 recall campaign on record is filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“For the first 39 months of my ownership my 2021 Lincoln Aviator Grand Touring plug-in electric hybrid would not charge properly and resulted in thousands of charge station fault alerts. The dealership was dismissive of the issue for years because it seemed to work for the few minutes when they charged it on their high voltage charger even though I voiced concerns about the charger port being bad on the vehicle and it not working properly at home. My Aviator would not charge unless the plug was in the exact perfect spot and rarely would make it to a full charge before faulting out. …”

NHTSA complaint #11697630, filed 2025-11

“UNKNOWN ON several occasions the vehicle would just shut off. Another occasion while getting on the freeway I pressed the accelerator pedal and the car pumped the brakes,there was no one in front of me or on side of me upon entering the freeway. Another incident I was in the fast lane on the freeway and the vehicle just shut off Thank goodness the fast lane had a place where I could pull over and and restart the vehicle. Also where the vehicle pumped the brakes, that happened on several occasions. Another thing the vehicle shut of again in the middle of the street. …”

NHTSA complaint #11554066, filed 2023-11

“The contact owns a 2021 Lincoln Aviator. The contact received notification of NHTSA Campaign Number: 25V455000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that while driving 70-75 MPH, the check engine warning light illuminated, and the vehicle stalled. The vehicle was towed to a friend's residence, where it failed to restart. The dealer was contacted and informed that the vehicle would be repaired at the owner's expense because the recall remedy was unavailable. …”

NHTSA complaint #11750650, filed 2026-07, 67,000 miles

“The contact owns a 2021 Lincoln Aviator. The contact stated that while 5 MPH and depressing the accelerator pedal, the vehicle failed to respond as intended. The message to “Shift to Park” was displayed. The contact pulled over to right side of the road, turned off and restarted the vehicle, and the vehicle operated as intended. A dealer was contacted. The contact stated that the failure had occurred on several occasions. The vehicle was not taken to the dealer to be diagnosed; however, the contact had scheduled an appointment for the vehicle to be diagnosed. The vehicle was not repaired. …”

NHTSA complaint #11675141, filed 2025-07, 130,000 miles

Related recalls

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
202516%
2023417%
20221020%
2021513%
202022%
200422%
200322%

Other parts of the 2021 Lincoln Aviator

Electrical system
12 complaintsOther or unknown
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsEngine
6 complaintsBrakes
4 complaintsSeats
4 complaintsBody and structure
4 complaintsTransmission and drivetrain
4 complaintsBack-over prevention (rear camera)
3 complaintsVehicle speed control
3 complaintsExterior lighting
2 complaintsForward collision avoidance
2 complaints

← All problems reported for the 2021 Lincoln Aviator

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology