sellison Posted August 19, 2010 Share Posted August 19, 2010 MY 2000 GS 300 ,which as 85,000 miles, does not perform as well as it did a short time ago. It does not accelerating as quickly as it did before. It has a new battery, throttle body was cleaned about 6 months ago and spark plugs replaced. It ran better immediately after the throttle body was cleaned but now it isn't really very much fun to drive. I loved the way it would accelerate quickly in the past. Any Lexus gurus have any suggestions. I would sure appreciate it. Regards Susan Quote Link to comment Share on other sites More sharing options...
intakerGS Posted August 20, 2010 Share Posted August 20, 2010 Does it also perform sluggish when you hit the ECT power button and WOT? Quote Link to comment Share on other sites More sharing options...
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