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Last post by labormaster in Lexus RX300 to RX330 forum on Nov 11, 2008 at 11:12:10 Parting out 2001 LS 430 Last post by Johnny5zen in Lexus LS400 and LS430 forum on Nov 10, 2008 at 18:04:28 The number 1 Lexus forum for Lexus Aftermarket Parts    Advertise with Lextasy    Menu · Home · All Galleries · Content · Feedback · Models · Private Messages · Web Links · Your_Account    Your Info Welcome, Anonymous Nickname Password (Register) Membership: Latest: joshuajosh New Today: 1 New Yesterday: 1 Overall: 5400 People Online: Visitors: 18 Members: 0 Total: 18    Club.Lextasy.com Forum Index Profile | Forum FAQ | Search | Memberlist | Usergroups "Shift program upgrade"          Club.Lextasy.com Forum Index -> Lexus ES300 and ES330 forum View previous topic :: View next topic   Author Message HVACservice Lexus Owner Joined: Dec 11, 2005 Posts: 1 Location: South Florida Posted: Sun Dec 11, 2005 3:14 pm    Post subject: "Shift program upgrade" Can anyone give me a little more info.... I drive an "02 es300" and at times if feels like the car is sluggish and may even stall at the beginning of a rapid acceleration. What is a "shift upgrade"? Is it considered defect and a warranty issue? If not, what does it cost to be done? Any and all help is appreciated !!!! Thanks. Back to top bk4ju25 Lextasy Member Joined: Feb 28, 2005 Posts: 31 Location: Florida Posted: Wed Jan 18, 2006 3:37 am    Post subject: what the hell are you talking about? Elaborate. Back to top TonyD Lexus Owner Joined: Oct 27, 2006 Posts: 5 Posted: Fri Oct 27, 2006 11:04 pm    Post subject: I don't know about on the 02 models ... I have an 05 es330 and the mod is an enhancement to the cpu. It will give you more horsepower as I was told. They were going to do mine for free at the dealer. Problem is there are draw backs... Yes you get horsepower and better resp time. But, it comes at a cost. You will be forced to only run the car with Premium Gasoline all the time and your MPG will be worse then it is now. If your into the speed and racing around it's the way to go... I like the extra cash in my pocket with the cost of gas these days. One other thing to know if you are going to do it... They say that once the mod is completed you can not reverse the change so just make sure if it is an option to you that you understand this... 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