There are 2 owner-reported fuel system complaints for the 2020 Hyundai Velosterin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Gas was shooting out of my gas tank cap, strong gasoline smells in and out side the vehicle, popping noise coming from the back from the gas tank expanding so much it pushed up the rear seat. This puts me and others at risk of fire, explosion and toxic exposure. This problem has been reproduced. The vehicle has been inspected by the dealer. A check engine light came on for a evap sensor but the next day it was gone.
The contact's son owns a 2020 Hyundai Veloster. The contact stated that while her son was driving at an undisclosed speed, the vehicle lost motive power with the check engine warning light illuminated. The contact's son pulled over and restarted the vehicle. The vehicle was taken to the contact's family-owned auto repair shop, where the high-pressure fuel pump was replaced; however, the failure recurred. The contact stated that the high-pressure fuel pump needed to be replaced for the second time. The vehicle was not repaired. The manufacturer was made aware of the failure and informed the contact that the vehicle was not covered under warranty. The failure mileage was approximately 39,000.
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 25, 2026