The U.S. government's highway safety agency has launched an investigation into reports of engine failure in up to 1.4 million Honda and Acura vehicles, according to documents posted on the agency's website on Monday.

The U.S. government's highway safety agency is looking into complaints about engine failures in up to 1.4 million Honda cars and Acura cars.

The U.S. government's highway safety agency is investigating complaints that engines can fail on as many as 1.4 million Honda and Acura vehicles. The probe by the National Highway Traffic Safety Administration covers the 2016 through 2020 Honda Pilot and Acura MDX,