The National Highway Traffic Safety Administration (NHTSA) launched an investigation into more than 1.4 million Honda and Acura vehicles sold in the US. The investigation is due to concerns that potential connecting rod bearing failures in their engines may result in complete engine failure, Reuters reported Aug. 25.
The vehicles under probe include the model year 2016–2020 Acura MDX, 2018–2020 Acura TLX, 2016–2020 Honda Pilot, 2017–2019 Honda Ridgeline and 2018–2020 Honda Odyssey. All these vehicles are equipped with Honda's 3.5-liter V-6 engine.
According to a document from NHTSA's Office of Defects Investigation (ODI) dated Aug. 20, the investigation is being conducted independently of a 2023 recall concerning a connecting-rod bearing failure that affected many of the same vehicles from the 2016–2019 model years.
The current investigation serves as a preliminary step that may lead to a recall if deemed necessary. The document indicates that 414 incidents, including four crashes or fires, have been reported to the ODI, alongside 2,598 manufacturer reports, although specific details have not been disclosed.
Owners of potentially affected vehicles are encouraged to visit the NHTSA recalls website for further information. However, it may take some time before a conclusion is reached or a recall is officially issued.
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