Word: nhtsa
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...Toyota internally deals with an "unwanted acceleration" incident that occurred during production testing of the Sienna. It determines the cause to be a missing clip that allowed the trim panel to trap the accelerator pedal. In the aftermath, Toyota concludes that it was an "isolated incident," according to the NHTSA report. Five years later, Toyota would inform the NHTSA about this incident when that administration makes a blanket information request. (See the 50 worst cars of all time...
March-July 2004: The NHTSA conducts what would be the first of many defect investigations regarding speed-control problems, all of which would lead to the current furor (partially about Toyota and the NHTSA's neglecting to pay attention to the abnormal number of investigations). The first three investigations primarily involve the Camry, Solara and Lexus ES models. The initial case is opened after an owner petitions the NHTSA in February to look into speed-control issues; it is closed when the NHTSA fails to find a "defect trend...
August 2005-January 2006: The NHTSA conducts a second evaluation after Jordan Ziprin, a Camry owner, reports "inappropriate and uncontrollable vehicle accelerations." In a subsequent questionnaire sent out to owners, hundreds of people report problems with acceleration and braking, but the NHTSA determines that their concerns are of "ambiguous significance" given the variety of defects described. Based on this sense of inconclusiveness, the administration denies Ziprin's petition for further investigate into the 19 Camry and Lexus models that are potentially involved. (See the top 10 product recalls...
September 2006-April 2007: The NHTSA conducts a third evaluation after William B. Jeffers III, another Camry owner, petitions the administration to investigate the multiple "engine surging" incidents that he has experienced. The NHTSA fails to identify any problems after reviewing the complaint and road-testing the petitioner's vehicle. It cites the need to best allocate limited administration resources as the reason for denying the petition...
March 2007: The NHTSA begins a fourth investigation into uncontrollable-acceleration problems with Lexus vehicles. In its preliminary evaluation, it suspects the floor mat to be the culprit...