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NHTSA Defect Investigations for the 2013 Ford F-150

The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 2013 Ford F-150, both ongoing and closed, are listed below:

  1. INVESTIGATION: Reduced power during hard acceleration

    NHTSA Preliminary Evaluation #PE13018

    • Status:
    • Date Opened: May 22, 2013
    • Date Closed: April 07, 2014
    • Recall: No recall issued

    Component(s): Engine
    Engine And Engine Cooling

    Summary: On May 22, 2013, the Office of Defects Investigation (ODI) opened PE13-018 to investigate 95 complaints alleging incidents of reduced engine power during hard accelerations in model year (MY) 2011 through 2013 Ford F-150 trucks.ODI was aware of three technical service bulletins (TSBs) issued by Ford for a condition that was related to moisture accumulation in the Charge Air Cooler (CAC) for the turbochargers.A Preliminary Evaluation was opened to gather information to assess whether the subject vehicles contain a safety related defect.The subject vehicles are powered by Ford-s 3.5L EcoBoost engine which uses twin turbochargers to obtain a balance of fuel economy and engine power based on the driver-s demand.When the driver requests more power from the engine, as in accelerating to pass, merge, ascend hills or haul a load the two turbochargers will spin up compressing the air which is then used to increase the power created by the combustion in the engine.The compressed air, which gains heat by the compression process, is passed through a Charge Air Cooler (CAC) which is designed to lower the temperature of the air in order to make the combustion process even more efficient (Figures 1 and 2).In response to ODI-s Information Request letter, Ford indicated that a misfire condition could occur after steady-speed operation under significantly humid and rainy conditions.Ford-s analysis found that under those conditions, condensation could form and accumulate on the inside of the CAC tubes which could then be ingested into the engine during particularly hard acceleration near wide-open throttle.An engine misfire of up to three cylinders could occur if the amount of condensed water released from the CAC exceeded the engine-s operating threshold for water ingestion.Ford noted that due to regulations set by the EPA, the powertrain software would disable up to two of the misfiring cylinders for no more than 30 seconds and until the driver tips out the throttle in order to protect the catalytic converter from damage. Ford-s testing of this condition on the subject vehicles showed that a vehicle experiencing such a condition would continue to maintain its speed as well as accelerate, albeit at a lower rate than expected by the driver.Similar results were obtained in testing done by NHTSA-s Vehicle Research and Testing Center in East Liberty, Ohio (Figure 6).In an ongoing process to address the problem Ford issued a series of TSBs where a deflector shield was installed onto the CAC (Figures 3, 4 and 5).In January 2014 Ford indicated that its data shows that the TSBs have been effective in resolving the problem, that for the MY 2013 vehicles their remedy is 100% effective and the latest TSBs for MY 2011 -" 2012 are 95% effective.The 525 complaints to ODI and the total 4,120 unique VIN complaints listed in the Failure Report are incidents of alleged reduced power or driveability symptoms and not all are necessarily related to the condition created by water ingestion.Reduced power conditions can occur for a variety of reasons including faults with ignition coils, spark plugs, a catalytic converter, the throttle body, turbocharger, fuel pump/filter, powertrain control module (hardware or software) or transmission shifting problems.Ford also noted that in a large number of warranty claims on the subject vehicles, the CAC was replaced or a TSB procedure was performed when the symptoms exhibited were inconsistent with a CAC water ingestion related issue.Given these circumstances, further use of the agency resources in this matter does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency will continue to monitor complaints and other information relating to the alleged defect and take further action in the future if warranted.

  2. INVESTIGATION: Unexpected Transmission Downshift

    NHTSA Defect Investigation #RQ17010

    • Status:
    • Date Opened: December 25, 2017
    • Date Closed: N/A
    • Recall: No recall yet

    Component(s): Power Train:Automatic Transmission
    Power Train:Automatic Transmission:Control Module (Tcm, Pcm)

    Summary: There is no summary currently available

  3. INVESTIGATION: Master Cylinder External Leak

    NHTSA Preliminary Evaluation #PE16003

    Component(s): Service Brakes
    Service Brakes, Hydraulic
    Service Brakes, Hydraulic:Fluid
    Service Brakes, Hydraulic:Foundation Components:Master Cylinder

    Summary: The Office of Defects Investigation has received 33 reports alleging master cylinder failures in model year (MY) 2013 through 2014 Ford F-150 full size pickup trucks.All of the reports involve F-150 trucks equipped with 3.5L engines, with an estimated 420,000 units sold in the United States representing approximately 36 percent of MY 2013-2014 F-150 sales.The complaints allege symptoms of brake pedal going to the floor with complete loss of brake effectiveness, brake warning lamp illumination, and/or low or empty master cylinder reservoir fluid level with no visible leakage.Several complaints allege repair facilities diagnosed the problem as brake fluid leaking from the master cylinder to the brake booster.Thirty-one (31) of the reports were received in the last 12 months, including 20 in the last 7 months.Four complaints allege that the alleged defect resulted in collisions. A Preliminary Evaluation has been opened to assess the scope, frequency, and safety-related consequences of the alleged defect.The ODI complaints cited above can be viewed at under the following ODI identification numbers:10818273, 10817706, 10809601, 10788886, 10788369, 10785526, 10779854, 10776834, 10766291, 10762034, 10761412, 10760663, 10758997, 10750065, 10749886, 10748122, 10747875, 10747531, 10746143, 10745511, 10744847, 10743344, 10733196, 10733023, 10731327, 10725476, 10725096, 10725046, 10724169, 10715103, 10692723, 10662564, and 10632103.

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