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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's Explorer-based Police Interceptor to get 365-hp EcoBoost option

Speeders beware, the police are going to be getting quite a bit faster. Ford has just announced that it will be offering its 3.5-liter, twin-turbocharged, EcoBoost V6 in the Explorer Police Interceptor. The new engine will be joining the existing 3.7-liter V6. The 365-horsepower, 350-pound-foot mill should be familiar to consumers as the powerplant that's found in the Ford Taurus SHO (and its LEO equivalent, the Taurus Police Interceptor) and the Ford Explorer Sport. It should also provide quite a kick in the pants to officers used to the naturally aspirated 3.7 and its 304 ponies and 279 pound-feet of torque.
The move to the more potent powerplant was born out of all the equipment officers need to carry on a day-to-day basis. These days, there's so much stuff that police need on a regular basis, that there's a genuine market for a faster Police Interceptor Utility, as it's known officially. The Explorer-based cruiser has already accounted for 68 percent of Ford's LEO sales in 2013, and that's with just the 3.7, and we'd only expect that number to increase once the twin-turbo, 3.5-liter V6 is available. Ford won't offer up any indication of what the take rate will be on the new engine, but we're guessing it'll be fairly high.
The success of the Explorer PI couldn't have come at a better time for Ford. The decision to end Crown Victoria production was not a popular one with police, and combined with Chevrolet and Dodge diving into the LEO market feet first, Ford hasn't been performing as well as it's wanted to. The Explorer has been helping it turn around, though. And with the inclusion of the EcoBoost, Ford also has a legit competitor for the Chevrolet Tahoe on the big utility side of the police market.

NHTSA closes probes on Jeep Grand Cherokee, Ford Freestar and Mercury Monterey

The Detroit News reports the National Highway Traffic Safety Administration has officially closed its investigations into 2012 Jeep Grand Cherokee, 2004-2005 Ford Freestar and Mercury Monterey models. The separate probes found no issues that pose safety concerns. NHTSA began investigating certain Grand Cherokee SUVs over complaints that power steering hoses could detach during operation, thereby increasing the risk of a vehicle fire. Of the 24 reports of failure, none alleged smoke or fire in the engine bay, and Chrysler has since modified the power steering cooler assembly to reduce the likelihood of the failure.
Meanwhile, certain Ford Freestar and Mercury Monterey vehicles garnered a government probe after receiving complaints that the models were equipped with faulty scissor jacks. The agency had received six reports of the jacks failing or causing injuries, including one incident that resulted in a fatality. But NHTSA says the jack failure rate is similar to those found in other vehicles. In those six cases, the government agency found the jacks were being used for something other than changing a tire, and investigators could not determine whether the emergency brake was set or the rear tires were properly chocked.