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NHTSA Defect Investigations for the 2005 Mercury Sable

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 2005 Mercury Sable, both ongoing and closed, are listed below:

  1. ENGINE STALLING FFV NHTSA Defect Investigation #DP06005

    • Status:
      CLOSED
    • Date Opened: December 04, 2006
    • Date Closed: December 28, 2007
    • Recall: no recall issued

    Component(s): Fuel System, Gasoline:Delivery
    Fuel System, Gasoline:Delivery:Fuel Pump
    Fuel System, Gasoline:Delivery:Hoses, Lines/Piping, And Fittings
    Fuel System, Gasoline:Fuel Injection System
    Fuel System, Gasoline:Fuel Injection System:Fuel Rail
    Fuel System, Gasoline:Fuel Injection System:Injectors
    Fuel System, Gasoline:Storage
    Fuel System, Gasoline:Storage:Auxillary Tank
    Fuel System, Gasoline:Storage:Auxillary Tank:Selector Devices
    Fuel System, Gasoline:Storage:Tank Assembly
    Fuel System, Gasoline:Storage:Tank Assembly:Filler Pipe And Cap
    Fuel System, Gasoline:Storage:Tank Assembly:Mounting
    Fuel System, Other
    Fuel System, Other:Delivery
    Fuel System, Other:Delivery:Fuel Pump
    Fuel System, Other:Delivery:Hoses, Lines/Piping, And Fittings
    Fuel System, Other:Fuel Injection System
    Fuel System, Other:Storage
    Fuel System, Other:Storage:Fuel Gauge System
    Fuel System, Other:Storage:Tank Assembly
    Fuel System, Other:Storage:Tank Assembly:Filling/Charging
    Fuel System, Other:Storage:Tank Assembly:Mounting
    Fuel System, Other:Storage:T

    Summary: On October 11, 2006, public citizen petitioned ODI to investigate reports of engine stalls caused by E85 fuel in certain model year (MY) 2003 - 2005 Ford Taurus flex-fuel vehicles (FFV). ODI's review of the petition and other available data found a low stall rate attributable to E-85 fueling and that the main concerns, prolonged engine start and rough idle during cold engine startup at winter temperatures, were resolved by an engine software update.to ensure that all subject vehicles receive this update, Ford initiated a notification campaign to offer free engine computer recalibration.based on this information, this defect petition is denied. This denial should not be construed as a finding that no safety defect exists.ODI reserves the right to reconsider this issue if future data warrant.additional details can be found in the federal register notice posted in the DP06-005 public file.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #DP06005 »

  2. Stuck throttle NHTSA Preliminary Evaluation #PE12005

    • Status:
      CLOSED
    • Date Opened: March 07, 2012
    • Date Closed: October 22, 2012
    • Recall: no recall issued

    Component(s): Vehicle Speed Control
    Vehicle Speed Control:Cables

    Summary: Preliminary Evaluation (PE)12-005 was opened to investigate allegations of speed control cables detaching from the throttle body and subsequently interfering with the throttle closing fully to the idle position in model year (MY) 2005 and 2006 Ford Taurus vehicles.The speed control cable, throttle body attachment arm (-nail head-) for the speed control cable, cable mounting bracket and cable routing for the MY 2005 and 2006 Ford Taurus are common to all MY 2004 through 2006 Ford Taurus and Mercury Sable vehicles equipped with either the 155 HP 3.0L 2-valve Vulcan engine or the 200 HP 3.0L 4-valve Duratec engine (the -subject vehicles-). Figures 1 and 2 show the throttle body cam and speed control cable installed and a cable interference condition caused by contact between a detached cable and the -nail head.-Ford-s assessment of the condition in incident vehicles noted that the interference conditions produced tended to be short in duration as the cable end tended to dislodge itself from the throttle body due to vibration, road loads or engine roll in addition to tapping the acceleration pedal.Ford inspected three incident vehicles and measured maximum throttle openings of 5.8% to 14.9%, resulting in engine speeds ranging from 1600 to 2200 rpm with the transmission selector in Drive.A Ford stack-up analysis of the speed control cable length from the attachment bracket to the throttle body indicated a maximum theoretical throttle opening of 16.4% that could result from the alleged defect. Engineers at the NHTSA Vehicle Research and Test Center (VRTC) inspected an incident vehicle to evaluate throttle positions and engine speeds that could result from the alleged defect and performed brake testing of a vehicle with the throttle stuck at the worst case throttle opening that could result from the condition.The VRTC vehicle inspection noted that, depending on the orientation of the detached cable end, the amount of throttle opening that could result from interference by a detached speed control cable end varied from 4.8% to 11.3%.VRTC brake testing of a MY 2006 Taurus with a Vulcan engine and the throttle held open at 16% found that, even with multiple brake applications, sufficient vacuum was available for the brake booster assist and the brake pedal efforts required to stop the vehicle did not increase significantly from normal operating conditions. ODI-s analysis of 100 complaints related to the alleged defect found that drivers were generally able to free the interference condition or safely brake to a stop without incident.Approximately one-third (32) reported that the stuck throttle condition was corrected with no action or by tapping the accelerator pedal while the vehicle was still moving, another third (34) reported braking to a stop with the vehicle in Drive prior to correcting the condition, and the remaining third (34) reported that the driver responded to the incident by shifting to Neutral before stopping the vehicle.One complaint alleged that stuck-throttle type symptoms caused the vehicle to pass partially through a traffic light and into an intersection before stopping, however, ODI was unable to contact the owner to verify the cause or relationship to the alleged defect condition.ODI has not identified any crashes related to the alleged defect. Tables 1 and 2 provide a breakdown of complaints and warranty claims related to the alleged defect by engine and model year.A safety-related defect has not been identified at this time and further use of agency resources 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 monitor this issue and reserves the right to take further action if warranted by the circumstances.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #PE12005 »

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