Running Ox Posted January 14, 2009 Share Posted January 14, 2009 when I add gas for acceleration especially at low speed(5-10mph), the engine seems to roaring. In my impression, Lexus should be very quiet. Is that a special design for lexus SUV? I don't know whether cleaning fuel system will help or not. Please give me some idea to make it quieter. Thanks! Quote Link to comment Share on other sites More sharing options...
breffni Posted February 8, 2009 Share Posted February 8, 2009 when I add gas for acceleration especially at low speed(5-10mph), the engine seems to roaring. In my impression, Lexus should be very quiet. Is that a special design for lexus SUV? I don't know whether cleaning fuel system will help or not. Please give me some idea to make it quieter. Thanks! Hey there, i just upgraded from a rx300 to an 04 rx330 and I noticed the same thing.... its not nearly as quiet or as nice a ride and the older 300! Quote Link to comment Share on other sites More sharing options...
smooth1 Posted February 9, 2009 Share Posted February 9, 2009 Have you checked your intake piping? Just make sure the intake duct and air filter is all clipped properly and functioning the way it should be. Quote Link to comment Share on other sites More sharing options...
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