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NHTSA Drops Ford F-150 Truck Engine Probe
The U.S. has closed an investigation into complaints that the engines in some Ford Motor Co. F-150 large pickup trucks may stumble or stall in rainy or humid weather.
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The U.S. has closed an investigation into complaints that the engines in some Ford Motor Co. F-150 large pickup trucks may stumble or stall in rainy or humid weather.
The National Highway Traffic Safety Administration probe covered some 360,000 of Ford's 2011-2013 model F-150s. All affected trucks are equipped with twin-turbocharged, 3.5-liter V-6 EcoBoost engines.
The agency's investigation, which began last May, followed a lawsuit filed in federal court in Louisiana three months earlier on behalf of owners of 2011-2012 F-150 pickups.
Ford reported that moisture can condense in the engine's intercooler under humid conditions and be drawn into the engine if the driver then accelerates briskly, thus causing as many as three cylinders to misfire.
The company developed a shield to solve the problem, and dealers have been installing it for months. NHTSA says it is satisfied the fix is effective.
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