Curtis_ Posted December 10, 2009 Share Posted December 10, 2009 My GS300 lurches forward on occasion from a dead stop. Most of the time, this occurs on a hill. Could this be a transmission problem? I recently had the fluid changed in the transmission. It was not flushed and the filter was not changed. The service advisor explained that Lexus/Toyota does not recommend breaking any seals that aren't leaking. Any insight would be appreciated. Quote Link to comment Share on other sites More sharing options...
nos13keys Posted December 14, 2009 Share Posted December 14, 2009 Sounds like a throttle problem, this is how i understand it. remember there isnt any throttle cable its early drive by wire system so the accelerator is basically an electrical button connected to a switch in the engine. If some of that system is out of adjustment and the switch in the engine gets a signal it will accelerate. my 2001 GS300 doesnt do that but it is very sensative in the accelerator and sometime in the city I will hold it a second on the brake because as soon as i touch the accelorator it takes off Quote Link to comment Share on other sites More sharing options...
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