Fuel systemPart report
2003 Infiniti QX4 Fuel system Problems
- Complaints
- 1about this part
- Share
- 5%of 20 total for the year
- Median mileage
- 95,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2003 Infiniti QX4, 5% of the 20 complaints for this model year. Where a mileage was given, the median is 95,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Fuel system: other model years
Other parts of the 2003 Infiniti QX4
Suspension
8 complaintsBody and structure
6 complaintsBrakes
3 complaintsSteering
2 complaintsAir bags
1 complaintsEngine
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
8 complaintsBody and structure
6 complaintsBrakes
3 complaintsSteering
2 complaintsAir bags
1 complaintsEngine
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2003 Infiniti QX4
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