2018 Audi Q3 Fuel system Problems
- Complaints
- 1about this part
- Share
- 4%of 26 total for the year
- Median mileage
- 62,352miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2018 Audi Q3, 4% of the 26 complaints for this model year. Where a mileage was given, the median is 62,352 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 2018 Audi Q3. The contact stated that on numerous occasions, the check engine warning light intermittently illuminated. The contact then stated that while driving at undisclosed speed, the vehicle hesitated and stalled. The vehicle was towed to the dealer where it was diagnosed that the gas cylinder, fuel needed to be flushed and two unknown parts needed to be replaced. The vehicle was repaired however, the failure recurred. The vehicle was taken back to the dealer where the failure could not be duplicated. …”
NHTSA complaint #11509326, filed 2023-02, 62,352 milesRelated service bulletins
- 11035829Jul 13, 2026This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
- 11035828Jul 2, 2026This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
- 11020367Jun 26, 2025This bulletin provides information when there is corrosion on the exhaust tail pipes.
- 11007301Aug 30, 2024This bulletin provides information when there are functional restrictions or driving behavior due to diesel detected in petrol.
- 11007220Aug 30, 2024This bulletin provides information when there are functional restrictions or driving behavior due to diesel detected in petrol.
- 11007297Aug 8, 2024This bulletin provides service information ror when the fuel tank cannot be fully filled.
- 11007216Aug 8, 2024This bulletin provides service information ror when the fuel tank cannot be fully filled.
Fuel system: other model years
Other parts of the 2018 Audi Q3
7 complaintsOther or unknown
7 complaintsElectrical system
6 complaintsAir bags
4 complaintsTires
2 complaintsBrakes
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaintsWheels
1 complaints
← All problems reported for the 2018 Audi Q3
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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