Knowledge Toyota Unexpected Velocity

As a and manufacturing engineer with decades of knowledge with failure analysis of manufactured products, and being an manager of a Toyota automobile, I'm saddened by the dearth of experience and understanding shared with Congress and the public regarding the sudden speed problem.When products fail due to a systemic design, materials or manufacturing drawback, substantial and statistically significant degrees of problems arise fairly quickly. This is definitely not the case using the Toyota challenge. With many millions of Toyota types which a lot more millions of miles have been driven, if there had been a natural products or manufacturing style deficiency, then we'd have seen thousands of instances of sudden acceleration. It practically might have been practically an everyday event happening all around the state in many Toyota models. But, in fact, little more than 1,000 used toyota yaris for sale in south africaand Lexus owners have claimed since 2001 that their cars abruptly accelerated on their own. This can be a small, minuscule proportion of Toyotas.This rare errant vehicle issue is not related to a serious case of infections of an important food item causing many thousands of cases of food poisoning in-a relatively short period. It is even more difficult to obtain the cause of.Understanding this character of defects also means that the solutions of exchanging floor rugs and gas pedals are pure nonsense. Indeed, it did not surprise me to learn today that there have already been cases of sudden acceleration in vehicles that had acquired fixes by Toyota. More than 60 Toyota homeowners have reported to the National Highway Traffic Safety Administration about vehicles currently repaired under the two main Toyota recalls, saying they're not fixed and their throttles may however race out of control.While recognizing the anguish and suffering of sudden speed accidents and deaths it is also essential to recognize the statistically unusual occurrences of this problem. Only by doing so is it feasible to know the final explanation - and solution - to the sudden speed issue will be a non-systemic defect or defect in-a essential aspect. In other words, the defect in-a material or some unusual and rare deviation in a manufacturing process of some essential component. Just such a situation could logically explain so few unexpected velocity issues in so many millions of vehicles being operated for many more millions of hours and miles.In my expert view, the likely scenario is actually a defect in a chip used in the electronic control system. A trouble that was caused by some occasional catch in a raw material or production process that wouldn't arrive in routine quality control testing of raw materials or elements. That therefore many different Toyota models over many years have been found defective implies the probability of a particular issue component produced in a certain manufacturer that has been used for a significant while. Moreover, the trouble certainly doesn't usually impair car effectiveness but only manifests itself under some infrequent situations, as yet undetermined.Rita Taylor of Fort Worth, Texas experienced errant speed, got her car to a Toyota dealer, and had the floor mats eliminated. A couple of months later she'd another frightening runaway episode. Ditto for Eric Weiss in California, who also had another episode weeks after the first one and after eliminating the pads. Other individuals who have not died and kept utilizing their Toyotas have also had repeat activities. Hence, correctly typical vehicle performance can be done between errant events.Make no mistake, the particular cause of such a sporadic event is a lot more difficult to treat and incredibly difficult to pin down. An incredibly powerful and costly investigation is essential. It's the classic needle-in-the-haystack problem.If my thinking is right, then it's utter folly to think that changing floor mats or gas pedals may fix the sudden speed issue. Nevertheless, there's taking care of for the unexpected acceleration problem that also is superior and, in a few ways, a lot more infuriating compared to acceleration problem. That is the lack of a bypass program that completely prevents gas being provided to the engine when wheels are utilized while a vehicle is accelerating. It's pleasing that the federal government is seriously considering needing such an override system in all automobiles. A powerful bypass process might, in-the long term, become a faster and more cost-effective solution than chasing-the-defect strategy, particularly for retrofitting many countless vehicles.Alternatively, finding the reason behind the sudden acceleration problem takes a common failure analysis methodology, particularly to have totally every Toyota car that's experienced sudden acceleration. Then thoroughly study through microscopic and other forms of testing and research all crucial components of the electronic system (called by Toyota the Electronic Throttle Get a handle on System with intelligence). Think of it such as an autopsy.This does not appear to have been done. For the contrary, the agency employed by Toyota examined many ordinary vehicles and components. Among the main authors of-the Exponent statement said they didn't analyze any vehicles or components that had the accelerations. That makes no sense whatsoever if the trouble is rare and, for that reason, its finding that there was nothing wrong was worthless. Worse, it was a deception and diversion.