The contact owns a 2015 Chevrolet Silverado 1500. The contact stated while refueling the vehicle, the gas pump nozzle shut off every second, requiring the contact the release and to press the gas pump handle continuously. Additionally, the fuel was splashing out of the fuel filler neck. The contact stated that she was able to add two gallons of fuel in the fuel tank after 10 minutes. The vehicle was taken to an independent mechanic, where the vent valve was replaced; however, the failure recurred. The mechanic removed a significant amount of dust from the charcoal filter and the charcoal filter was bypassed; however, the failure persisted. The mechanic informed the contact that the fuel tank needed to be taken apart to determine the cause of the failure. The vehicle was not repaired. The dealer was notified of the failure and referred the contact to the manufacturer for assistance. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 210,000.

- Olivet, MI, USA

The contact owns a 2015 Chevrolet Silverado 1500. The contact stated that there was an abnormal gasoline odor outside the vehicle. The contact stated that when the vehicle was started, the odor of gasoline was much stronger in the cabin of the vehicle. The contact looked underneath the vehicle and observed that fuel was leaking excessively from the top of the fuel tank. The vehicle was towed to a local dealer, where it was diagnosed and determined that the high-pressure fuel pump needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure. The contact researched online and related the failure to Technical Service Bulletin: SB 10057680-1621 High-Pressure Fuel Pump Leak (Fuel System, Gasoline). The failure mileage was approximately 108,000.

- Granville, VT, USA

The contact owns a 2015 Chevrolet Silverado 1500. The contact stated that there was an abnormal fuel odor coming from the vehicle. The check engine warning light was illuminated. Additionally, the vehicle was shaking abnormally while idling. The contact had taken the vehicle to several independent mechanics and various sensors were replaced; however, the failure persisted. The vehicle was then taken to a dealer who discovered a leak in the high-pressure fuel pump which traveled to the crankcase and could potentially cause a fire. The manufacturer was notified of the failure. The vehicle was not repaired. The failure mileage was approximately 75,000.

- French Creek, WV, USA