NHTSA opens investigation into engine failures in some 2021 Ford Bronco models

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The Nationwide Freeway Visitors Security Administration (NHTSA) has begun an inquiry into claims of “catastrophic engine failures” in V6-powered fashions of the 2021 Ford Bronco after receiving many complaints. The issue would possibly have an effect on practically 25,000 SUVs.

In Could 2022, the company’s Workplace of Defects Investigation (ODI) started investigating the issue. It met with Ford personnel the following month and found that the engine failure skilled by sure Bronco homeowners was attributable to a valve keeper problem. Briefly, the keeper doesn’t keep the retainer in place, permitting the valve spring to come back free and the valve to come back into contact with the piston.

“Below regular driving situations with out warning the car could expertise a lack of motive energy with out restart as a consequence of catastrophic engine failure associated to an alleged defective valve inside 2.7-liter EcoBoost engines,” the NHTSA wrote in a doc printed in July 2022.

The NHTSA believes that the fault could impression 25,538 situations of the 2021 Bronco. It is value noting that the inquiry solely contains V6-powered automobiles; the two.3-liter four-cylinder engine is not included. Moreover, the probe is just not a recall. Its claimed goal is to “assess the scope, frequency, and potential safety-related penalties of the alleged defect.”

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