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Old 10-25-2007, 07:56 PM   #1 (permalink)
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Toyota Tacoma Unintended Acceleration

Toyota is on a roll lately...

I remember a while back there were complaints of unintended acceleration with the Prius, and the culprit was believed to be the drive-by-wire system or some other computer error. Now it appears the '07 Tacoma is having similar issues and 20 vehicles have crashed nationwide due to this. NHTSA has formally opened an investigation and in the video Toyota basically says they "are not aware of any complaints" (even though one man in the video personally contacted Toyota) and will not do anything, not even begin their own testing, until the results of the investigation are finalized.

http://www.kpho.com/video/14310861/index.html (CBS 5 Video)
http://www-odi.nhtsa.dot.gov/complaints/co...rintVersion=YES(NHTSA complaint site)
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Old 10-25-2007, 08:41 PM   #2 (permalink)
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It's just a headline not data of comparison or significance.
According to the NHTSA monthly investigation report of September Toyota had ony 2 ongoing investigations, which is not alot.
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Old 10-25-2007, 09:32 PM   #3 (permalink)
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It's probably more like "stupid drivers accidentally push the gas pedal and try to blame the vehicle manufacturer". That's what our society is all about today. Nobody is responsible for their own actions. Blame someone else.

I'm not seeing how the throttle body can randomly get power to open the throttle and not have the problem be consistant.
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Old 10-25-2007, 09:33 PM   #4 (permalink)
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Yeah, several complaints in the tacoma forum.
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Old 10-26-2007, 10:31 AM   #5 (permalink)
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Its not that it just gets power suddenly from somewhere. The computer probably opens the throttle based on some faulty input that its seeing. Electrical gremlins like this can be random and not set any trouble codes. Could be a sensor issue or a software issue.
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Old 10-26-2007, 11:35 AM   #6 (permalink)
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^^

Nope, according to Toyota loyalists, it's a right foot issue and the drivers sudden (and random) inability to distinguish the brake from the accelerator. . . .

I can't tell you how often I accidentally hit the brake when I'm trying to merge onto the highway, or hit the accelerator when slowing for a light. . . . .it get's scary sometimes. . . . .

Be honest guys, this happens to you too, right?
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Old 10-26-2007, 02:29 PM   #7 (permalink)
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Quote:
Originally Posted by engineer View Post
^^

Nope, according to Toyota loyalists, it's a right foot issue and the drivers sudden (and random) inability to distinguish the brake from the accelerator. . . .

I can't tell you how often I accidentally hit the brake when I'm trying to merge onto the highway, or hit the accelerator when slowing for a light. . . . .it get's scary sometimes. . . . .

Be honest guys, this happens to you too, right?
Or it's blamed on the floor mats, even though comments have said it was specifically not the floor mats that were causing it.

Audi's reputation in the US was nearly destroyed in the mid 80s from widespread coverage of unintended acceleration due to floor mats bunching up, but in Toyota's case it appears to be an electronic issue. For Toyota's sake, they better take care of this issue immediately; many people are ignorant in the operation of a car and don't think to shift into neutral and turn the key. The media goes after this stuff like a vampire looking for blood...it makes a great sensational story.

What's disturbing is that Toyota claims to have had no previous knowledge of this, which is clearly them covering their ass because they had problems reported with the Prius and I believe one other vehicle, all using a drive-by-wire application. Surely if one was having problems, they would inspect or at least post a memo for the others with a similar electronic setup. Right? ...Right?

Do I sense another "warranty enhancement" coming up?
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Old 10-26-2007, 03:09 PM   #8 (permalink)
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Isnt technology great! I cant wait for brake by wire systems. Like the ones mercedes already has out there that have isues. Good time to be a tech.
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Old 10-26-2007, 03:19 PM   #9 (permalink)
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More evidence of quality falling.

Stop the growth, Toyota, until things get sorted out! It's not worth being #1 if this is what happens.
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Old 10-26-2007, 03:39 PM   #10 (permalink)
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Quote:
Originally Posted by engineer View Post
^^

Nope, according to Toyota loyalists, it's a right foot issue and the drivers sudden (and random) inability to distinguish the brake from the accelerator. . . .

I can't tell you how often I accidentally hit the brake when I'm trying to merge onto the highway, or hit the accelerator when slowing for a light. . . . .it get's scary sometimes. . . . .

Be honest guys, this happens to you too, right?
I couldn't stop laughing at the above

Now toss in a clutch pedal, a parking brake pedal and you have one heckuva mess
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Old 10-27-2007, 12:17 AM   #11 (permalink)
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Quote:
Originally Posted by engineer View Post
^^

Nope, according to Toyota loyalists, it's a right foot issue and the drivers sudden (and random) inability to distinguish the brake from the accelerator. . . .

I can't tell you how often I accidentally hit the brake when I'm trying to merge onto the highway, or hit the accelerator when slowing for a light. . . . .it get's scary sometimes. . . . .

Be honest guys, this happens to you too, right?
WHOA DUDE!!! That's scary to know you're out on the roads then. Never in all my years have I confused my three pedals.
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Old 10-27-2007, 06:19 PM   #12 (permalink)
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Quote:
Originally Posted by AH-HA View Post
WHOA DUDE!!! That's scary to know you're out on the roads then. Never in all my years have I confused my three pedals.
It was a joke.
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Old 10-27-2007, 10:48 PM   #13 (permalink)
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Quote:
Originally Posted by dsmnick View Post
Or it's blamed on the floor mats, even though comments have said it was specifically not the floor mats that were causing it.

Audi's reputation in the US was nearly destroyed in the mid 80s from widespread coverage of unintended acceleration due to floor mats bunching up, but in Toyota's case it appears to be an electronic issue. For Toyota's sake, they better take care of this issue immediately; many people are ignorant in the operation of a car and don't think to shift into neutral and turn the key. The media goes after this stuff like a vampire looking for blood...it makes a great sensational story.

What's disturbing is that Toyota claims to have had no previous knowledge of this, which is clearly them covering their ass because they had problems reported with the Prius and I believe one other vehicle, all using a drive-by-wire application. Surely if one was having problems, they would inspect or at least post a memo for the others with a similar electronic setup. Right? ...Right?

Do I sense another "warranty enhancement" coming up?
Do you have any proof that in Toyota's case it appears to be an electronic issue?

I'm betting not. Yet, you say it like it's true...
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Old 10-28-2007, 02:21 PM   #14 (permalink)
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Well, if you think about it, its throttle by wire. There could be some sort of magnetic force or some sort of wire under the dash interfering with the brake pedal assembly causing the throttle to open up. Could be many reasons really. I prefer the old school throttle operated by cable.
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Old 10-28-2007, 04:36 PM   #15 (permalink)
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Quote:
Originally Posted by TRD VVTi View Post
Do you have any proof that in Toyota's case it appears to be an electronic issue?

I'm betting not. Yet, you say it like it's true...
That's just what I've read from various articles about the Prius unintended acceleration, and considering the Tacoma uses drive-by-wire, there's probably some connection. It's not like it's a far-fetched idea, as CACressida stated.

This is the kind of stuff that happens when you switch from mechanical to electronic...one day it will get to the point where we won't be able to repair minor things without setting up an appointment at the dealership.
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