Speed Control Linkage Problems of Toyota Sienna

Toyota 2005 Sienna limited xle when using cruise control (we only use this on highway while traveling so this occurs at that time. When we take the cruise off and then restart it is accelerates and fortunately we can brake to get it incontrol, for example , if we have the cruise set at 70 and disengage when we reengaged it will automatically accelerate for 90 miles or greater. We took it to our Toyota dealer and he said it could be the linkage - we have been told by a mechanic that there is no such thing in the 2005 Toyota this is a continuing problem.

See all problems of the 2005 Toyota Sienna 🔎.

When attempting to accelerate after braking/slowing down there is a period of several seconds with no response from the throttle and then suddenly the vehicle jerks hard and accelerates. When merging into traffic this can pose a serious safety issue. The Toyota dealer advises this is a normal condition as the vehicle "drives by wire" and has no mechanical throttle linkage. This vehicle didn't have this issue when we purchased it. This problem developed after we had driven it for a while and has progressivly gotten worse. Other manufacturers also use the drive by wire components and do not have this problem I find it hard to believe that Toyota considers this a normal condition.

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Vehicle exhibited sudden unintendend acceleration on two previous occasions. On this thrid time it caused my wife to rear end a Jeep cherokee. The front of the vehicle, above the bumper, was pushed all the way to the engine. The airbags did not deploy. Toyota has been contacted previously on the accelration problem, they say it isn't their problem, but won't guarantee that it won't happen again.

See all problems of the 1998 Toyota Sienna 🔎.