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Header=Check Engine Light

This is a discussion on Header=Check Engine Light within the Engine Performance forums, part of the Scion tC category; Hey! I need some help!. A week ago i installed new headers to my tc, and the check engine light ...

  1. Wed., Mar 11, 2009 #1
    avvega
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    Default Header=Check Engine Light

    Hey!

    I need some help!. A week ago i installed new headers to my tc, and the check engine light come up. ! How can i get rid of it? , Would the headers damage the engine?.. i was wondering maybe anti-Foulers on the o2 sensor?.. Help is appreciated.
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  2. Wed., Mar 11, 2009 #2
    Blkrs5
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    Check the O2 sensor and make sure that its in all the way, any air that escapes or enters will trigger the CEL. Adding headers shouldn't throw the light unless the headers removed any cats that were there. I know some ebay headers remove the cat and some stop just before it. As long as you don't hear a sound escaping the gaskets/grommets should still be fine. Check your O2 sensor and make sure you still have a cat. And no headers would not damage your engine.
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  3. Wed., Mar 11, 2009 #3
    navylife59
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    The mass majority of the headers out there have the primary cat removed.

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  4. Thu., Mar 12, 2009 #4
    Redneck4csa
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    What brand of header did you install?
    A turbo, exhaust gasses go into the turbocharger and spin it. With a supercharger, air goes in, witchcraft happens and you go faster - Jeremy Clarkson
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