Freightliner Cascadia 126

2019 Freightliner Cascadia 126 6x4 T/A Sleeper Truck Tractor (Inoperable) Detroit DD15 455 hp Engine, 2019 US EPA Label, 5298 Engine hrs, Detroit DT12-1750-DH1 12-Speed Automated Transmission, 12350 lb Front Axle, 40000 lb Rears, 52350 lb GVWR, Engine Brake, 70 in High Rise Sleeper Cab, Bunk Beds, 227 in Wheelbase, Air Suspension, 295/75R22.5, Air Sliding 5th Wheel, Dual Fuel Tanks starts & runs, but engine has loud popping noise, Check engine light is on, white smoke from engine, brake assist light is on