More than 1.4 million Honda and Acura cars probed over engine failures

The National Highway Traffic Safety Administration is looking into reports of motor nonaccomplishment involving much than 1.4 cardinal Honda and Acura vehicles, according to documents recently posted connected the regulator's website.

The motor failures were initially investigated nether a erstwhile NHTSA callback successful November 2023, aft the Office of Defects Investigation received 414 reports of connecting rod bearing problems that were suspected to beryllium the effect of a crankshaft manufacturing defect. 

However, NHTSA closed the probe aft it determined the motor failures were extracurricular the scope of the 2023 callback and not caused by "the aforesaid crankshaft manufacturing defect that is addressed by Honda successful Recall 23V-751," the latest documents state.

Because of the important fig of reports involving vehicles from Honda and the automaker's Acura brand, NHTSA said it volition unfastened a caller probe "to further measure the scope and severity of the imaginable occupation and to afloat measure the imaginable safety-related issues."

The probe includes the pursuing models and years:

Honda

• 2016–2020 Honda Pilot
• 2017-2019 Honda Ridgeline

• 2018–2020 Honda Odyssey

Acura

• 2016-2020 Acura MDX
• 2018–2020 Acura TLX

• Honda