MY 2015 RAM 1500 4X4 WITH ECODIESEL BEGAN TO LOSE POWER WHILE DRIVING ON US31 SO I PULLED OFF ON THE NEXT SIDE STREET. AT THAT POINT, SMOKE POURED OUT OF THE VENTS AND FROM UNDER THE HOOD INTO THE CAB. I STOPPED THE VEHICLE AND TURNED OFF THE IGNITION AND WAITED FOR THE TOW TRUCK. DEALER REPORTS AN EGR VALVE COOLER FAILURE WHICH THEN CAUSED THE INTAKE MANIFOLD TO CRACK