J. Scott Applewhite / AP
"Key questions about the cause of the unintended acceleration remain unanswered" Senator Charles Grassley, R-Iowa, wrote in a letter to NHTSA Director David Strickland.
By Paul A. Eisenstein, the Detroit Bureau
Get Toyota too easily you after they are largely looking problems with so-called unintended acceleration by a couple of studies of the manufacturer was deleted?
This is a way of Senator Chuck Grassley, an Iowa Republican, who one letter to the National Highway Traffic Safety Administration, or NHTSA, questioning the results of the two studies, which has sent for the agencies is raised, in particular may no one done by NASA, signs of electronic gremlins, that established Toyota vehicles, out of control to drive.
"Important issues about the cause of the unintended acceleration remain unanswered," wrote the veteran lawmaker in a letter to NHTSA Director David Strickland.
These questions were supported internal documents from a raft in the hands of the TheDetroitBureau.com suggest, that Toyota may be in fact even worried that yet still unknown problems with some it its products.
The NASA study and a second by the national academies of science failure to substantiate claims of Toyota critics, that the manufacturer of electronic engine controls may be the result of unintended acceleration - also known as sudden acceleration - where a vehicle out of control advised increase could lead possibly to a collision, injury or even death.
Toyota has been embroiled in a safety scandal when in October 2009 a California Highway Patrol officer and three family members were killed when a Lexus they were borrowing out of control, drove slipped a freeway, crashed and burned.
The manufacturer called back episode 8 million vehicles in a pair of reminds, mats a targeted so-called "carpet entrapment,", loose to where could the metal jam, and another related to potentially label accelerator of assemblies.
Lexus RX350 remember Toyota end carpet entrapment last month expanded to almost 134,000 additional vehicles, 2010 and include RX450h crossovers.
Despite the many parties involved in these two product recall - that its just some Toyota main assembly plants shut down while waiting for the necessary spare parts forced - critics of the manufacturer was vehicles that it had addressed not the big problem. But experts, including some NASA Panel also warned that it could prove almost impossible, electronic gremlins to follow, which could occur only sporadically and then without a trace disappear.
Some pointed to a phenomenon known as "tin whiskers," in which Nano size issues known to grow at central connecting points on electronic circuit boards. This possibility was raised repeatedly report NASA in the 177.
"This is a serious problem," Grassley wrote Strickland, questions in his letter to the NHTSA, how often and to what extent it was pursued.
Traditionally known for its apparent bullet-proof reliability, Toyota had some unexpected shots as a result of the economic crisis 2009-10 — the most important executives saw, which including CEO Akio Toyoda grilled by Congress and led to fines for the sticky Accelerator problem in a timely manner, prescribed by law respond to record.
The Agency has some penalty for themselves, as a result of the Toyota scandal. Internal documents showed that NHTSA on Toyota simply went by the fact that there is a previous callback to avoid, that the automaker millions of dollars saved. That one major reason Strickland agreed was to two independent studies Toyota's unintended acceleration problems to empower.
At the end of attributed to NASA and linked events - those not unique entrapment or sticky accelerators - to driver error carpet geratenen NAS the vast majority of the reported out of control car. In many cases, by evidence before, that in one case was secured a driver accidentally pressed so hard on the brake, the bent, instead of the accelerator.
But the studies a light window, suggesting that it could be left open Toyota unknown beating yet electronics.
A NHTSA spokesman said the Agency of the Senator has received the letter and "will to check it carefully and respond appropriately."
In the meantime continue to the various legal measures, Toyota of alleged victims working unintended acceleration before their way through the courts.
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