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check engine light on

This is a discussion on check engine light on within the General Help forums, part of the LSx Technical Help Section category; i just had an electronic cut out and a y pipe installed and the check engine light is on. What ...

  1. #1
    Junior Member
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    black
    1999 pontiac trans am ws6

    check engine light on

    i just had an electronic cut out and a y pipe installed and the check engine light is on. What do i do. Simulator ?

  2. #2
    Senior Member Danger731's Avatar
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    yes you need sims

  3. #3
    I went to Playboy Mansion FantaZGuy28's Avatar
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    YJ
    04 GTO M6

    When they did the Y pipe, if they kept the 02's then they might just be out of place or bumped so its throwing a code. If the Y pipe got rid of the 02's then you have to get the code deleted on a HPtuner or LS1Edit.

  4. #4
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    Quote Originally Posted by FantaZGuy28 View Post
    When they did the Y pipe, if they kept the 02's then they might just be out of place or bumped so its throwing a code. If the Y pipe got rid of the 02's then you have to get the code deleted on a HPtuner or LS1Edit.

  5. #5
    Junior Member
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    black
    1999 pontiac trans am ws6

    where is the best place to get sims and do i need 1 or 2 ?

  6. #6
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    If you don't have rear 02's turned off, you need 2 - thunderracing sells them, look under exhast. Where did you install your cutout?

  7. #7
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    black
    1999 pontiac trans am ws6

    i installed them right in the y pipe halfway between the converters and the muffler. Under the passenger seat.

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