singhhar Posted January 27, 2013 Share Posted January 27, 2013 Hi Everyone, I own a lexus Rx300 2001 make. It currently has 103000 miles on it. I am the second owner and am driving this for past five years. I have noticed that my car shows a check engine, vsc light "ON" at all times. Very early (about two years ago), I showed this to my mechanic and he suggested that it is not a problem and I can ignore this. Recently, I see that my gas mileage is going down every time I drive. I live in cold country and no lexus dealers around. I wonder if anyone has suggestions or experienced the same problem? Thanks a lot for your advice. H Quote Link to comment Share on other sites More sharing options...
r14rowederek Posted January 31, 2013 Share Posted January 31, 2013 I have a had a similar problem in my 2002 model. Both lights were on and I was getting 10 MPG tops, Highway. My problem was the O2 sensors and the Mass air flow. 200 bucks, and the MPG was right back to around 22- 24. Quote Link to comment Share on other sites More sharing options...
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