From: kludge@panix.com   
      
   AK   wrote:   
   >I had an oxygen sensor replaced.   
   >   
   >Prior to that I got 20 mpg in the city for my CX7.   
   >   
   >Now I am getting 21.5 mpg.   
   >   
   >Could that increase be due to the replacement of the O2 sensor?   
      
   If your O2 sensor was reading low and causing the computer to run the   
   engine too rich, then yes.   
      
   But it all depends on what kind of engine it is and what kind of   
   control system came with it and how the sensor failed.   
   --scott   
      
      
   --   
   "C'est un Nagra. C'est suisse, et tres, tres precis."   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)