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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.

Porsche 911 Turbo and Nissan GT-R Nismo star in World's Greatest Drag Race 4

We love Motor Trend's annual World's Greatest Drag Race video. Now back for its fourth appearance, the idea of lining some of the world's fastest cars up for a ten-wide, straight-line, full-throttle run is, well... it's pretty freaking badass.
The lineup this year boasts some impressively fast cars to be sure. The group of ten includes the following darlings: Alfa Romeo 4C, BMW i8, BMW M4, Chevrolet Camaro Z/28, Ford Fiesta ST, Jaguar F-Type R Coupe, Nissan GT-R Nismo, Porsche 911 Turbo S, Subaru WRX STI and, last but not least, the Volkswagen GTI. Give us any one of those for the weekend, and we're happy to take the keys.
It must be said though, that for a publication that draws as much water as Motor Trend does, there are some big cars that we might expect to be here instead. The Lamborghini Huracán or Ferrari 458 Speciale would have added some exotic flare to the list, and the omissions of the Chevy Corvette Stingray (for the second year in a row) and the Dodge Challenger Hellcat are real head-scratchers.

Ford Focus ST, Fiesta ST buyers to get free Octane Academy driving school

The Ford Focus ST and Fiesta ST have created plenty of excitement in the sport compact segment, and Ford is looking to make sure that owners are driving and enjoying their cars to the best of their abilities. As an added bonus for buying one of these sporty hatchbacks, Ford will provide a complimentary ST Octane Academy session to be held at the Miller Motorsports Park in Utah.
Attendees will be responsible for travel and lodging, but Ford will provide the driving school free of charge. Included in this two-day trip, ST owners will get class instruction and driving instruction in prepped Focus ST and Fiesta ST models on the track and autocross course. Some karting action will also be involved as will a tour of Ken Block's Hoonigan Racing headquarters located nearby. If this doesn't sound like enough fun, there is also an optional day of activities that includes some more track time in a Mustang GT and off-road instruction in an F-150 SVT Raptor.
Ford told us that those who have already purchased a Focus ST or Fiesta ST will still be able to attend the performance driving school, but the press release, which is posted below, makes it sound like it applies to original owners only. Ford has yet to announce its schedule for the ST Octane Academy or prices for additional activities or guests.