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

A year into the recall, though, authorities aren’t sure Honda is doing right by affected vehicle owners.

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

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

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 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.

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

The National Highway Traffic Safety Administration is probing complaints of engine failures in approximately 1.4 million Honda and Acura vehicles. The investigation focuses on models equipped with 3.5-litre V6 engines,

The National Highway Traffic Safety Administration has concerns about several models from different years, including the Honda Pilot and Acura MDX, the Honda Odyssey and Acura TLX, and Honda Ridgeline.

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.