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  • SES light and MPG numbers

    i have a 2000 camaro with many mods. i have an SES light on. havent had it scanned cause im lazy but im sure its the O2 sensor code due to my catco cat. the light is on and i seem to be getting better gas mileage. anywho does the SES light due to the cat code cause any timing change??

    i might just leave the cat as is and not get an o2 sim if i get better mileage this way..lol

  • #2
    it might be that it is running really lean. o2 sensor could be stuck. if your running lean it probably sooner or later will drop a rod. be carefull.

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    • #3
      If you put a highflow cat in, your milage will go up a little. Mine did.
      <a href=\"http://pics.projectpredator.com/thumbnails.php?album=16\" target=\"_blank\">2003 Zinc Yellow Mustang GT</a> 1 of 701<br />ET : TBD<br />But our shenanigans are cheeky and fun! Yeah, and his shenanigans are cruel and tragic. Which... makes t

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