Storage Evaporative Emissions Canister problems of the 2018 Chevrolet Traverse

The contact owns a 2018 Chevrolet Traverse. The contact stated that the vehicle was emitting a vibrating and rattling noise while driving. The contact stated while driving at an undisclosed speed and attempting to accelerate, the vehicle lost motive power. The contact stated while driving uphill and accelerating, the engine backfired. The check engine warning light was illuminated. The vehicle was taken to the dealer who diagnosed that there was an evap leak. The vehicle received an undisclosed repair however, the failure persisted. The contact stated that the vehicle occasionally failed to immediately start-up. The vehicle was taken to the dealer but was not diagnosed because the check engine warning light was no longer illuminated. The contact stated that the failure persisted, and the check engine warning light illuminated, and the rattling noise became more prominent. The vehicle was returned to the dealer who diagnosed that a weld had fractured on the exhaust pipe. The vehicle had not been repaired. The manufacturer was made aware of the failure and confirmed that the VIN was not under recall. The manufacturer referred the contact to the NHTSA hotline to report the failure. The failure mileage was 65,000.