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Toyota Sienna Uncontrolled Acceleration

65 messages,  Last post on Jul 28, 2009 at 7:43 AM

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#46 of 65 Re: Sienna Uncontrolled Acceleration [mking3] by ateixeira Jun 11, 2008 (12:21 pm)
Replying to: mking3 (Jun 11, 2008 12:02 pm) Are you saying both the throttle and the brake failed completely?   I ask because they are completely seperate systems. The brakes are hydraulic, while the throttle is by-wire.   For both the fail at the exact same time would be quite unusual.   Here is a link to NHTSA if anyone wants to file a complaint:   http://www-odi.nhtsa.dot.gov/
#47 of 65 Re: Sienna Uncontrolled Acceleration [mking3] by shaina1 Jun 11, 2008 (4:27 pm)
Replying to: mking3 (Jun 11, 2008 12:02 pm) mking3, I'm so sorry to hear about this accident of yours. My accident occurred on 2/14/08 (my 2006 Toyota Sienna was parked at the foot of the driveway with the ignition on; it accelerated by itself while the gear shift was still in park, up the incline of my driveway and pinned me between my half-open garage door and the hood of the vehicle) and I reported it to NHTSA and Toyota Corporate. NHTSA never offered to come to the scene of the accident to investigate and Toyota Corporate did a brief inspection of the vehicle (did not take the transmission apart) and said they felt there was nothing wrong with it. My husband, family, friends and I feel deeply betrayed by Toyota's lack of compassion and consideration, especially since we have been loyal Toyota customers for the past 15 years. Has Toyota done anything for you, such as offered to trade in your vehicle, etc? Shai
#48 of 65 2007 Toyota Sienna Uncontrollable Acceleration by harold27 Feb 06, 2009 (6:21 am)
December 10, 2008 12:55 PM I was parked in line at the car wash and I was waiting to go into the car wash with a line of cars. I put my foot on the brake to move up in line, my Sienna took off like a jet engine at full speed. I served to miss the pickup truck in front of me. I just grazed his bumper, missed the car wash building. I raced across the parking lot, jumped a curb, and I slammed into the concrete barrier that protects the gas pumps in a gas station. The man in the pickup said even after my car smashed into the concrete barrier, my Sienna was still running full throttle and my tires were still turning. Both front tires went flat and we ruined. I was hit with the air bag and I broke the dash with my knees. I tried to brake but nothing worked. After the air bag went off, I couldn't stop the engine and I finally realized I need to shut off the key and it finally stopped. I was pressing as hard as I could on the brakes and it didn't help. When I shifted into Drive at the car wash I had my foot on the brake. I never got to the accelerator because as soon I put the car in drive it went full throttle. The Sienna left black tire marks as it accelerated uncontrollably forward. I call Toyota and they denied a problem. Needless to SAY I'll never buy another Toyota. They have a problem with the drive by wire accelerator. I was fortunate that I didn't kill someone or myself but I was injured. I complained to Toyota case# 2008121 at 1-800-331-4331 and I am filling a complaint with the National Traffic Safety Administration 1-888-327-4236. I purchased the van used from Hertz car rental and I filed with them also. My husband said that he believes the car at wide open throttled does not have any vaccum to power the brakes. Normally gas engines at wide open don't have vaccum but we don't know if the newer cars have the same vaccum boost as the older cars do. We contacted an attorney but he said since nobody was killed, I probably wouldn't win. I don't have the money to pay thousands of dollars in legal fees. Someone should start a class action suit for all involved. Replies to this message: snevets23 (Feb 06, 2009 8:03 am) shaina1 (Feb 07, 2009 12:07 pm)
#49 of 65 Re: 2007 Toyota Sienna Uncontrollable Acceleration [harold27] by snevets23 Feb 06, 2009 (8:03 am)
Replying to: harold27 (Feb 06, 2009 6:21 am) Harold,I shuttered when I read your post because it brought back the nightmare of my similar experience with my '92 Lexus (story is posted on this website). I went through all the motions you did--filing with the NTSA, contacting Lexus corporate headquarters in Calif. which eventually sent their "expert" who found NO problems!, spending countless hours of writing, e-mailing, phone calls but to no avail. The problem is that the cause is INTERMITTENT and supposedly cannot be pinpointed unless the conditions duplicate itself. On the first occasion, the car accelerated unexpectedly and uncontrollably while my husband was backing up in the driveway...he stopped it in time before plowing into the garage. A month later, the car did it again while I was backing up into another person's driveway. Although I quickly slammed on the brakes with all my force, I didn't stop in time before hitting a parked car in the driveway (and nearly missing the person's brick house!) Because Lexus would not admit to any wrongdoing and because the problem could not be found, I was charged with the accident and am still paying a higher insurance premium because of it. While other readers may try to reason that I was at fault (wore no heels, mat was fine, clear, sunny day, etc.), I KNOW in my heart that this was a malfunction of the car itself. This was my ONLY accident after 40 years of unblemished driving. I only pray someday that the public is made aware of the truth, and that victims such as you and I are vindicated. I, too, did not have the money to pursue this legally and I am so thankful my grandson who was buckled in the car was not hurt. However, from reading other accounts, there are those who were injured or killed as a result of this sudden, uncontrolled acceleration. I believe the "powers at be" at Toyota, Lexus, etc. KNOW the problem but will never admit to any wrong-doing because of $$$$.
#50 of 65 Brakes and Throttle failed at the same time? by ateixeira Feb 06, 2009 (9:49 am)
the car at wide open throttled does not have any vaccum to power the brakes   This doesn't seem right to me. The systems are separate. The brakes are hydraulic - you push fluid, it's not brake-by-wire.   Even if you lost power assist you'd have some braking power. Replies to this message: toyotatired (Jun 20, 2009 10:11 am) bertha06 (Jun 25, 2009 7:01 am) ateixeira (Jun 25, 2009 9:40 am) and 3 more...
#51 of 65 Re: 2007 Toyota Sienna Uncontrollable Acceleration [harold27] by shaina1 Feb 07, 2009 (12:07 pm)
Replying to: harold27 (Feb 06, 2009 6:21 am) Hi Harold27, I'm so sorry to hear about your accident. My accident was almost a year ago on 2/14/08 (my 2006 Toyota Sienna van drove up my driveway by itself while it was still in Park with the engine running, hit me and compressed me at the hips between the van hood and my half open garage door). I still have my van because Toyota refused to do anything about it and we cannot afford to replace it at this time. I do not leave it running while in Park anymore, but I am still leary about driving it, especially when I hear about accidents such as yours. I can hardly wait until we can by a new vehicle...and it definitely will not be a Toyota.     Thank the Lord you were not seriously hurt in your accident and you did not hurt anyone else.       If anyone knows of a reliable van to replace my Toyota Sienna with, please let me know.     Sincerely,     Shai
#52 of 65 Re: Sienna Uncontrolled Acceleration [jul333] by billyendo May 16, 2009 (5:18 pm)
Replying to: jul333 (Mar 17, 2007 2:14 pm) 2006 Toyota 4Runner I just had an accident. From a side road, I was attempting to cross two lanes of traffic into a third lane. I did not see a vehicle in the third lane and pulled in between the two stopped lanes of traffic to make a right hand turn. I struck a vehicle that I did not see that was travelling in the third lane. Once the vehicle was struck it began to accelerate and the brakes would not work. It jumped the curb. I made a conscious decision to turn into a 30 foot cement wall, going 20-30 mph (I'm guessing since I did not look at the accelerator) to stop the vehicle. The vehicle was totalled. Fortunately, no one was hurt. The only part I am a little uncertain about is whether the uncontrolled acceleration and loss of brakes occurred prior to, or after, jumping the curb.
#53 of 65 Re: Brakes and Throttle failed at the same time? [ateixeira] by toyotatired Jun 20, 2009 (10:11 am)
Replying to: ateixeira (Feb 06, 2009 9:49 am) This may not sound correct but it has, unfortunately, been documented time and time again all over the US.  For us when our Sienna surged both myself and my husband checked to ensure that the break was the pedal being used. I was depressing the break as hard as possible and the only way to stop the vehicle as it pushed another car that was parked was to turn the ignition off. And in our case Toyota (again) claimed they had never heard of this from an owner before. Replies to this message: bertha06 (Jun 25, 2009 7:01 am) ateixeira (Jun 25, 2009 9:40 am) bertha06 (Jun 25, 2009 10:50 pm) and 2 more...
#54 of 65 Re: Brakes and Throttle failed at the same time? [toyotatired] by bertha06 Jun 25, 2009 (7:01 am)
Replying to: toyotatired (Jun 20, 2009 10:11 am) Same thing happened to me in my 2006 Toyota van. When this happened, the police, my ins co,, everyone assumes it was my fault. The truth is, I was applying the brake, but the van accelerated instead. I took my foot off and reapplied the brake 3 times. The third time I pushed as hard as I could, but the van accelerated faster and faster. There was a car in front of me, concrete wall on the right, no room to pass, so I went over a median strip on the right, and wound up hitting a concrete wall on the other side. My van was totaled. I have since read in the owner's manual that it has an Event Data Recorder that should show what happened, if the brake pedal was applied, how fast the vehicle was going, etc. Now I am having trouble getting anyone to access the information. Toyota sent someone to inspect the vehicle, and they say the brake system operated as designed. Does not say how they came to this conclusion, since the van was totaled. I think it is a computer problem that is causing this to happen, and I think the Event Data Recorder would show this. Has anyone else that this has happened to had access to the Event Data Recorder, or are your vehicles equipped with one? Mine says in the owner's manual that it does have one. Replies to this message: ateixeira (Jun 25, 2009 9:40 am) bertha06 (Jun 25, 2009 10:50 pm) ateixeira (Jun 29, 2009 7:59 am) and 1 more...
#55 of 65 Should i buy 2010 Sienna? by khanection Jun 25, 2009 (9:16 am)
i am super close to buying a new 2010 Sienna but after reading this thread have put my horses on hold... should i just opt for the Odyssey? They are basically the same but i prefer the look of Sienna; Odyssey is boxy.   Or is someone sure this uncontrolled acceleration has been resolved in later models?   Please advise. Replies to this message: bertha06 (Jun 25, 2009 11:11 pm)

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