The investigation is looking at vehicles that may have a “failure of connecting rod bearings leading to complete engine failure."

The National Highway Traffic Safety Administration said it’s opening a recall query to determine the severity of the problem in vehicles not included in the 2023 recall.

The National Highway Traffic Safety Administration has launched an investigation into 1.4 million Honda and Acura vehicles following reports of severe engine issues.The probe comes after Honda issued a recall in November 2023 for 249,