The National Highway Traffic Safety Administration’s Office of Defects Investigation is looking into thousands of engine failures in an assortment of Acura and Honda vehicles. This includes the Acura TLX and MDX as well as the Honda Pilot, Odyssey, and Ridgeline.

More than 1.4 million Honda vehicles are under a National Highway Traffic Safety Administration investigation for an issue with their rod bearings that could cause engine failure. The problem relates to the automaker’s widely used 3.

The National Highway Traffic Safety Administration is opening a probe into more than 1.4 million Honda vehicles sold in the United States over concerns that connecting rod bearing failures in their engines could lead to complete engine failure.