Wow. I can't comment much on the GS350 issues. I have the 2006 GS300 AWD and its perfect. No idling warmup problem or waiting for it to get low idle in the morning. I live in Michigan, and my car has to go through very cold weathers in the winter when it is parked outside at times. Though it is garaged at night. But no problem with slippage in the snow when the idle is high at all. I have 18 inch with Michelin Primacy MXV4 tires and I have not had any problem with engine surge. So far 55,000 miles on the car and its a peach.

 

God the temperature related issue I have here is in the summer it takes 2-3 minutes for the car to start cooling the car, but then again it can get into the 120's ( I have seen it hit 123 deg here in the Summer )

 

I received a letter from the Toyota legal department stating incorrect statements about my problem, and basically telling me to go fist myself. Toyota said that the computer found no abnormal diagnostic codes pertaining to the brake system, even though they pulled other codes on their scan and would not tell me what they were. Toyota said that the fact that my vehicle is not involved in any of the CURRENT Safety Service Campaigns that my problem is not a result of a manufacturing design flaw or defect. So, let me get this straight, if my car is not involved in a Safety Service Campaigns then the problem is not possible? What kind of logic is that? Toyota obviously does not care about the safety of their customers, and refuses to listen to any of their customers’ concerns.

 

the gs does not have this problem. im sure toyota is tried of answering this question.

 

The problem I am referring to is not the exact same as the other vehicles involved in the current recalls. The GS problem has to do with a high idle RPM, when the vehicle is cold, causing the brakes not work properly when coming to a slow and gradual stop. My GS has not taken me on a 70-149 mph joy ride, yet.

 

that doesnt make much sense. your saying the idle is high (key word here idle) which is causing brakes to not work properly when slowing down. if your idle, the car is not moving. maybe i dont quite understand your question.

i know when its cold out the idle does spike a little high but after 5-10 seconds it drops down to about 1100rpm

 

I do too have acceleration problem with my GS...





and I have found the cause...





it was not mechanical, but biological...





it was inability to control my heavy right foot, due to "need for speed"!!!

 

Please see reply #24 on page 2 of this thread.

 

Hey, I saw your post. I notice the same thing you are describing, however, my IDLE RPM is 500-700, not 1500 as you are saying your is. Also, in winter time, the car does slid a bit more when slowing to a gradual stop when cold and it is in the first few minutes and I hardly notice it. I put my car in snow mode to keep the RPM lower during the snowy weather, you should use that.

 

Yeeessss!~~~~!!!!!!! Hahahhahahaha

 

thats what probably got me to floor it when the cops were behind me

 

Can somebody change the title of this thread? It's totally misleading.

 

yeah, seriously....

 

A car naturally has a higher idle when it's cold. Because of a higher idle, a little more brake pressure is needed. This is true for all cars with automatic transmissions.

 

Yes correct but let's not forget a simple fact. Everyother car i drove it only idle high for first 15 secs or until u put it into drive.With the lexus even if u are in drive it idle's at 1000k rmp until it gets to normal operating temperature on very cold days. which i found very retarded because it made no sense to me at all. All i guess they tried to do is to make it warm up faster. While i need A LOT more brake pressure to keep it at a red light or stopping to a point its very uncomfortable for my foot. My friend had a 95 ls400 who said the same thing his did in winter's. So its a lexus thing that i didn't even bring up to the service tech's. I feel like the word "sudden acceleration" used is little bit incorrect. Its faster acceleration then usual when its at normal operating temperature's. That's all it is, mostly with old cars when you turn on the ac you're idle jumps couple of 100's. Which is usually a common thing. But anything over 900 rmp is not normal while u are at normal operating temperature. Someone above stated something about not warming up the car, there is no point to it. Well lets keep in mind its not only engine oil thats need that warm up its also the trasnmission oil that need some warm up. Because driving on cold you will usually notice a hard shift because oil is not at normal operating temperature. Usually when i dont warm up the car and go heavy on the pedal i notice a late shift only first or second shift. So warming up the car until you're temperature gauge goes on atleast C is recommended. Its really up to you guy's but its the same topic as to use 87 octane or 91+. I only use 93 because it is recommended. Same thing as you wouldnt want to put in aftermarket replacement parts into a lexus and expect it to be as reliable as promised.