The contact owns a 2014 Scion XB. The contact stated that while driving on several occasions at various speeds, the contact observed an abnormal burning odor. The contact stated that on several occasions while inspecting the engine oil, the contact became aware that the oil level was low, and oil was added to the vehicle. The oil warning light was occasionally illuminated. The vehicle was taken to a dealer where it was diagnosed and determined that the engine was consuming an excessive amount of oil, and that the short block needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was unknown.