√US authorities probe mass failures of Ford Bronco 2.7-litre V6

Dozens of V6 ‘Ecoboost’ engines found in the Bronco are failing, and now US authorities want to know why.

The US National Highway Traffic Safety Administration (NHTSA) has opened an investigation into the 2.7-litre V6 fitted to the Ford Bronco, following multiple customer complaints of failures.

According to a document from the NHTSA, 32 Ford Bronco owners have allegedly experienced a catastrophic engine failure without warning.

The NHTSA probe into the US-market V6 says “the vehicle may experience a loss of motive power without restart due to catastrophic engine failure related to a faulty valve,” all without any prior indication that something is wrong.

It’s understood the engine is fitted to more than 25,500 vehicles in North America, though some reports suggest the failures are occurring on vehicles with less than 10,000 miles (16,093km) on the clock.

“We are aware of a select number of engines with this concern and we are investigating,” a spokesperson for Ford USA told The Drive in April.

“If any customers are experiencing issues, they will be covered under the vehicle’s five-year, 60,000-mile [97,000km] powertrain warranty.”

While the Bronco’s 2.7-litre ‘Ecoboost’ V6 isn’t offered in Australia, the engine is related to the 3.0-litre twin-turbo V6 announced as the engine for the new Ford Ranger Raptor – though there is no evidence or suggestion the Raptor’s V6 suffers from the same issues as its US counterpart.

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