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From: jim beam on 27 Mar 2010 10:57
On 03/25/2010 05:53 PM, Tegger wrote:
> ...just why Sudden Unintended Acceleration is virtually impossible.
>
> <http://www.popularmechanics.com/automotive/how_to/4347704.html>

good cite.


>
> The author does not mention it, but the NHTSA closely regulates the design
> of the electronic throttle and its firmware. It is, by design, not possible
> to "hack" into the firmware in order to modify or disable it.
>


--
nomina rutrum rutrum
From: chuckcar on 27 Mar 2010 16:32
"Stewart" <gortamus(a)gmail.com> wrote in
news:hok4u6$ke2$1(a)news.eternal-september.org:

>
> "Tegger" <invalid(a)invalid.inv> wrote in message
> news:Xns9D46D48D312C4tegger(a)208.90.168.18...
>> ...just why Sudden Unintended Acceleration is virtually impossible.

> I've asked them numerous times what from the transmission would make
> that happen...some kind of sensor with a feedback into the motor?
> They would not give me a straight answer on this, but it sure makes me
> wonder....
>
My wild guess is that you simply were not talking to anyone who actually
knew.




--
(setq (chuck nil) car(chuck) )
From: Stewart on 27 Mar 2010 16:56

"chuckcar" <chuck(a)nil.car> wrote in message
news:Xns9D48A821FC7F4chuck(a)127.0.0.1...
> "Stewart" <gortamus(a)gmail.com> wrote in
> news:hok4u6$ke2$1(a)news.eternal-september.org:
>
>>
>> "Tegger" <invalid(a)invalid.inv> wrote in message
>> news:Xns9D46D48D312C4tegger(a)208.90.168.18...
>>> ...just why Sudden Unintended Acceleration is virtually
>>> impossible.
>
>> I've asked them numerous times what from the transmission would
>> make
>> that happen...some kind of sensor with a feedback into the motor?
>> They would not give me a straight answer on this, but it sure makes
>> me
>> wonder....
>>
> My wild guess is that you simply were not talking to anyone who
> actually
> knew.
>
>
>
>
> --
> (setq (chuck nil) car(chuck) )

Well, their reactions to the problem were far too quick for me to
believe it was just good customer service. The dealer is a good 20-25
mins away, and they were there in 30 from the time I hung up the
phone. Even my daughter was saying "wow, they got here quick!", and
we had a freebie rental car not long after that.

While there may be "failsafe" mechanisms in place for sudden and
unwanted acceleration, just what would make the speedometer read at 50
MPH and the engine race while in park that would be part of the
transmission? Some kind of speed feedback sensor? I would have to
believe that if this happened while driving the vehicle, it could have
created a dangerous situation. My phone calls and emails to Saturn
have gone unanswered....but I will eventually find an answer.


From: chuckcar on 27 Mar 2010 17:06
"Stewart" <gortamus(a)gmail.com> wrote in
news:holrdv$r31$1(a)news.eternal-september.org:

>
> "chuckcar" <chuck(a)nil.car> wrote in message
> news:Xns9D48A821FC7F4chuck(a)127.0.0.1...
>> "Stewart" <gortamus(a)gmail.com> wrote in
>> news:hok4u6$ke2$1(a)news.eternal-september.org:
>>
>>>
>>> "Tegger" <invalid(a)invalid.inv> wrote in message
>>> news:Xns9D46D48D312C4tegger(a)208.90.168.18...
>>>> ...just why Sudden Unintended Acceleration is virtually
>>>> impossible.
>>
>>> I've asked them numerous times what from the transmission would
>>> make
>>> that happen...some kind of sensor with a feedback into the motor?
>>> They would not give me a straight answer on this, but it sure makes
>>> me
>>> wonder....
>>>
>> My wild guess is that you simply were not talking to anyone who
>> actually
>> knew.
>>
>
> Well, their reactions to the problem were far too quick for me to
> believe it was just good customer service. The dealer is a good 20-25
> mins away, and they were there in 30 from the time I hung up the
> phone. Even my daughter was saying "wow, they got here quick!", and
> we had a freebie rental car not long after that.
>
Oh, I'm sure you got someone who could immediately talk to a tow truck
driver, but that certainly isn't the same as you talking to the actual
mechanic that worked on your car is it?

Anyone would know that it as a severe problem that would have to be
fixed immediately and made the vehicle unsafe. You just talked to
someone competent at the dealership is all.

As for actual *cause*, I'll leave that to the mechanics here, but I have
my doubts it could *only* be one thing.

--
(setq (chuck nil) car(chuck) )
From: Stewart on 27 Mar 2010 17:16

"chuckcar" <chuck(a)nil.car> wrote in message
news:Xns9D48ADB5C8AB4chuck(a)127.0.0.1...
> "Stewart" <gortamus(a)gmail.com> wrote in
> news:holrdv$r31$1(a)news.eternal-september.org:
>
>>
>> "chuckcar" <chuck(a)nil.car> wrote in message
>> news:Xns9D48A821FC7F4chuck(a)127.0.0.1...
>>> "Stewart" <gortamus(a)gmail.com> wrote in
>>> news:hok4u6$ke2$1(a)news.eternal-september.org:
>>>
>>>>
>>>> "Tegger" <invalid(a)invalid.inv> wrote in message
>>>> news:Xns9D46D48D312C4tegger(a)208.90.168.18...
>>>>> ...just why Sudden Unintended Acceleration is virtually
>>>>> impossible.
>>>
>>>> I've asked them numerous times what from the transmission would
>>>> make
>>>> that happen...some kind of sensor with a feedback into the motor?
>>>> They would not give me a straight answer on this, but it sure
>>>> makes
>>>> me
>>>> wonder....
>>>>
>>> My wild guess is that you simply were not talking to anyone who
>>> actually
>>> knew.
>>>
>>
>> Well, their reactions to the problem were far too quick for me to
>> believe it was just good customer service. The dealer is a good
>> 20-25
>> mins away, and they were there in 30 from the time I hung up the
>> phone. Even my daughter was saying "wow, they got here quick!",
>> and
>> we had a freebie rental car not long after that.
>>
> Oh, I'm sure you got someone who could immediately talk to a tow
> truck
> driver, but that certainly isn't the same as you talking to the
> actual
> mechanic that worked on your car is it?
>
> Anyone would know that it as a severe problem that would have to be
> fixed immediately and made the vehicle unsafe. You just talked to
> someone competent at the dealership is all.
>
> As for actual *cause*, I'll leave that to the mechanics here, but I
> have
> my doubts it could *only* be one thing.
>
> --
> (setq (chuck nil) car(chuck) )

Yes, it could have been a combination of things...but they replaced
the transmission they had just recently replaced. I guess I just need
to keep digging.


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