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Taking off cats and putting on lt's, will car run ok while setting the code?

This is a discussion on Taking off cats and putting on lt's, will car run ok while setting the code? within the External Engine forums, part of the LSx Technical Help Section category; I don't have any o2 sims yet, will the car run ok or do I have to get the sims ...

  1. #1
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    2000 black T/A Vert
    Red 99 C5 Coupe sold

    Taking off cats and putting on lt's, will car run ok while setting the code?

    I don't have any o2 sims yet, will the car run ok or do I have to get the sims right away?
    thanks,
    Shawn

  2. #2
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    It will run fine. You'll just get an SES light without the sims. They have no affect on the way the car runs.

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    Navy Blue Metallic
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    Quote Originally Posted by ~redlinels1~ View Post
    It will run fine. You'll just get an SES light without the sims. They have no affect on the way the car runs.
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    Quote Originally Posted by ~redlinels1~ View Post
    It will run fine. You'll just get an SES light without the sims. They have no affect on the way the car runs.


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  5. #5
    i'v had longtubes with no cats on my car for 9 months and never had any issues. my engine light has not even come on once

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