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

The U.S. government's highway safety agency is conducting an investigation regarding claims that engines could fail on as many as 1.4 million Honda and Acura vehicles.

The National Highway Traffic Safety Administration is investigating a potential engine defect in Honda and Accura vehicles that could lead to complete failure.

The National Highway Traffic Safety Administration is investigating concerns that engines on 1.4 million Honda and Acura vehicles might fail.

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,

An estimated 1.4 million Honda and Acura vehicles may be affected by an issue that can cause the engine failure issue. According to the National Highway Traffic Safety Administration, an investigation has been opened into an issue that affects five vehicle models manufactured by Honda after receiving 173 reports from vehicle owners.