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Fuel systemPart report

2021 Infiniti QX80 Fuel system Problems

Complaints
2about this part
Share
29%of 7 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the fuel system of the 2021 Infiniti QX80, 29% of the 7 complaints for this model year. 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.

“What component or system failed or malfunctioned, and is it available for inspection upon request? Fuel Rail/ System Pressure too low How was your safety or the safety of others put at risk? Car engine could stall and increasing the risk of a crash Has the problem been reproduced or confirmed by a dealer or independent service center? active recall R21A3 reported May 19,2021, yes got checked at Firestone auto care also this NHTSA Campaign ID 21V373000 Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? …”

NHTSA complaint #11575429, filed 2024-03

Related recalls

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2026113%
2021229%
2020117%
2019210%
2016213%
2015844%
2014838%

Other parts of the 2021 Infiniti QX80

Engine
2 complaints
Vehicle speed control
2 complaints
Exterior lighting
1 complaints
Other or unknown
1 complaints
Transmission and drivetrain
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2021 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