There are 1 owner-reported fuel system complaints for the 2018 Audi Q3in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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. The vehicle was then taken to an independent mechanic where it was diagnosed that the fuel needed to be flushed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 62,352.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026