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Ford Owners File Lawsuit, Claim EcoBoost Engine Loses Power During Acceleration

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2011 Ford F-150 EcoBoost

2011 Ford F-150 EcoBoost

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Late last year, Ford owners made headlines when they sued the automaker over inaccurate fuel economy claims for the Fusion Hybrid and C-Max Hybrid. According to the Detroit News, Ford now has another lawsuit on its hands -- this time, over its acclaimed EcoBoost engine.

The suit has been filed by three Ford owners from Ohio, who say that the company's six-cylinder EcoBoost engine is defective. The three claim that the engine has caused their vehicles to shudder and lose power during acceleration. (Our own John Voelcker noticed similar problems in a test drive of the upcoming 2014 Ford Fiesta, outfitted with a 1.0-liter, three-cylinder EcoBoost.) Two of the plaintiffs (a couple) drive a Taurus SHO, the other owns an F-150 pickup.

There are several interesting things to note about this case:

  • The suit involves only the six-cylinder EcoBoost. Ford also produces three- and four-cylinder versions of the engine, and all three variants make use of similar turbocharging and direct-injection technologies. 
  • According to the lawsuit, more than 100 complaints about the six-cylinder EcoBoost's performance have been filed with the National Highway Traffic Safety Administration, though NHTSA hasn't launched an investigation into the issue, nor has Ford recalled any vehicles over those complaints. (The automaker did, however, recall 2013 Ford Escapes with 1.6-liter EcoBoost engines for an unrelated fire risk.) 
  • A similar lawsuit has been filed in Louisiana. The law firm representing the plaintiffs in that case state that "Many Ford F150 EcoBoost owners have reported that their trucks have stalled, shuddered, failed to accelerate and/or entered into limp mode while driving." The firm claims that the problem is related to the Charge Air Cooler and cites technical service bulletins from Ford intended to address the problem. 

Ford has yet to issue a statement about the lawsuit, but you can be sure that the automaker is looking into the matter. After all, the EcoBoost engine is slated to play a big role in the company's future.

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