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NHTSA closes Ford F-150 EcoBoost acceleration probe

Typically when we report on the findings of an investigation from the National Highway Traffic Safety Administration, it's because the government body has discovered a safety issue and prescribed a recall. In this case, however, NHTSA has closed an investigation into a reported performance deficit without ever getting to the recall stage.
The issue revolves around the Ford F-150 - specifically those equipped with the 3.5-liter EcoBoost engine - of which some 360,000 were built in the 2011, 2012 and 2013 model years. After receiving an initial 95 complaints, NHTSA opened an investigation last May - almost a year ago - into the reported issue of reduced engine power under hard acceleration. The agency has since received a total of 525 such complaints, and Ford itself reported receiving over 4,000.
Together, NHTSA and Ford determined that the problem resulted from cylinders misfiring, an issue itself stemming from water getting into the charge air cooler (CAC) mated to the turbochargers. In particularly humid or rainy conditions, water was found to get into the CAC, causing some of the cylinders to misfire, which in turn triggered the ECU to disable those cylinders in order to protect the catalytic converter from damage.

Ford Fusion spied in souped-up ST trim

Ford produces a wide array of performance machinery, but it's traditionally reserved the letters ST for hot hatches like the Fiesta ST and Focus ST. That changes with the vehicle you see here: the heavily camouflaged Fusion ST. This prototype is wearing bigger wheels and tires, upgraded brake rotors and calipers, enhanced bodywork, and quad exhaust tips – all the telltale signs of something more potent and capable. The performance version of Dearborn's midsize sedan is tipped to pack a version of the company's 2.7-liter EcoBoost V6. That's anticipated to channel upwards of 300 horsepower to all four-wheels through a six-speed automatic transmission, but we can hold out hope that maybe, just maybe, Ford will offer a three-pedal manual. One way or another, the Fusion ST will make a worthy successor (and then some) to the old Contour SVT. That model was offered in the late 1990s with a naturally aspired 2.5-liter Duratec V6 packing 202 horsepower, which may have been solid by yesterday's standards, but promises to be left in the dust by this new model. Look for the Fusion ST to accompany the facelifted Fusion sedan early next year. Enthusiastic customers in other markets can also hope for a Mondeo ST to be offered overseas as well. Related Video:

Ford says 70% of its models to get stop-start by 2017

Ford is following up on a report we posted a few weeks back that the Blue Oval would be adding stop-start technology to its entire model range. Now, the Dearborn-based automaker has announced that the fuel-saving feature would be available on 70 percent of the company's range by 2017.
Ford claims the technology will improve fuel economy by around 3.5 percent, although its actual effect will vary based on how the owner drives - apparently up to a 10-percent improvement is possible for those who sit in heavy traffic (Los Angelenos, this means you). The latest recipient of the technology is the updated 2014 Ford Fiesta with the company's three-cylinder EcoBoost powerplant.
Part of the reasoning for the new addition has to do with cost. Ford claims the tech is affordable and easy to implement. "Simply put, Auto Start-Stop helps customers use less fuel, which is an important component of Ford's Blueprint for Sustainability," Ford's global powertrain vice president, Bob Fascetti, said.