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Sorry guys, I am a girl who doesn't know much about cars. But what's the deal with ECU update and does everyone have to do it? Please forgive me if it's a stupid questions, I'm not very auto-literate.
 

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i dont think you will have to worry about it since you will be getting an '02. but basically it was an update for the older '01's. apparently there was a hesitation from the trac and ecu thingies...so lexus made an update for it.
 
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