NHTSA Opens Preliminary Investigation into Ford F150s – Car Pro News

Ford LogoThe National Highway Traffic Safety Administration has opened a preliminary investigation into possible acceleration problems that may affect late-model Ford F-150 pickup trucks.
In a notice posted on its Web site on, NHTSA said it had received 95 reports “alleging incidents of reduced engine power during hard accelerations” on trucks equipped with Ford’s 3.5-liter gasoline turbocharged direct injection Ecoboost engines.
The probe covers 2011-2013 models, NHTSA said.
Ford has issued three technical service bulletins “related to intermittent stumble/misfire on acceleration from highway cruise in humid or damp conditions,” NHTSA documents show.
About a third of the reports received by NHTSA’s Office of Defects Investigation show the incidents happened “while driving in humid or rainy conditions,” the report stated.
“Many reports allege safety concerns associated with overtaking vehicles,” NHTSA said in the documents.
NHTSA said it would perform a preliminary evaluation to determine whether the trucks in question have a safety-related defect.
Typically, NHTSA begins a preliminary evaluation when consumer complaints or manufacturer service bulletins suggest there may be a harmful defect. Once that evaluation is complete, the agency either begins an engineering analysis or closes the inquiry. Based on the outcome of the engineering analysis, a vehicle may be recalled or the inquiry may be closed with no further action.

1 Comment
  1. george wilke 5 years ago

    I have not experienced any of the problems described in the complaint on the 3.5l engine. I own a 2012 f-150 super crew with 3.5l ecoboost engine, auto tran, electronic lock 355 ratio rear end, it was built in june of 2012. I have not had one reason to take my truck back to mc combs ford west for any problems. I do my own oil and filter change like I have always done since fifteen years old, that would be sixty years.

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