cupidinchicago Posted June 5, 2007 Share Posted June 5, 2007 Lexus Friends, Just bought a 97 LS400 with 91000 miles. Been putting high octane gas in but still the engine is a bit sluggish, also, when I engage my PWR/ECON button to "Power" setting, I do not notice any increase in RPM's or engine performance. Could I have your opinions on, 1. Tune ups, 2. Possible problem with PWR/ECON button, 3. Any other ideas for improving power delivery? Thanks Everyone! Quote Link to comment Share on other sites More sharing options...
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