2026 Infiniti QX80 Fuel system Problems
- Complaints
- 1about this part
- Share
- 13%of 8 total for the year
- Median mileage
- 900miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the fuel system of the 2026 Infiniti QX80, 13% of the 8 complaints for this model year. Where a mileage was given, the median is 900 miles.
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.
“The contact owns a 2026 Infiniti QX80. The contact stated that after refueling the vehicle, there was an abnormally strong fuel and rotten egg odor inside the vehicle. The vehicle was taken to the dealer, but no cause for the failure was found. The failure persisted, causing the contact and her husband to become nauseous. The contact stated that they were going to seek medical attention later. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 900.”
NHTSA complaint #11758008, filed 2026-08, 900 milesRelated service bulletins
- 11033023May 1, 2026FUEL FILLER TUBE LOWER SEAL IS LEAKING AND DTC P0456 IS STORED IN THE ECM This bulletin is no longer active. Please discard previous versions of ITB26-002.
- 11028682Feb 2, 2026FUEL FILLER TUBE LOWER SEAL IS LEAKING AND DTC P0456 IS STORED IN THE ECM IF YOU CONFIRM The vehicle has a visible leak with a smoke machine test coming from the fuel filler tube…
- 11028679Jan 7, 2026VENT CONTROL VALVE IN ACTIVE TEST INOPERATIVE IN CONSULT 4 SERVICE INFORMATION An issue in CONSULT 4 has been identified in “EVAP system close” in Work support. · After selecting…
Fuel system: other model years
Other parts of the 2026 Infiniti QX80
6 complaintsBack-over prevention (rear camera)
1 complaintsBrakes
1 complaintsEngine
1 complaintsLane departure
1 complaintsOther or unknown
1 complaintsSteering
1 complaints
← All problems reported for the 2026 Infiniti QX80
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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