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

NHTSA is launching an investigation into 1.4 million Honda vehicles and oversights during the automakers' previous recalls.

The NHTSA is investigating an engine issue implicating 1.4 million 2016-2020 Honda and Acura vehicles. These could join an existing recall.

The National Highway Traffic Safety Administration (NHTSA) has opened a formal investigation into more than 1.4 million Honda and Acura vehicles due to a potential engine defect involving connecting rod bearings. The investigation, which follows a previous recall, will examine if additional vehicles need to be recalled.

A 2023 recall may not have included as many vehicles as it should have.

The connecting rod bearings on vehicles with 3.5-liter V6 engines can fail and cause the engine to stop working.

According to reports, the National Highway Traffic Safety Administration (NHTSA) is opening a probe into 1.4 million Honda vehicles over reports of them having serious engine issues.Back in November 2023,

If this recall query into failing 3.5-liter V6 engines will morph into a new recall, Honda will have to fix a staggering 1.4 million vehicles in the US alone

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