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Thread: EGR valve

  1. #1
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    Default EGR valve

    What does EGR stand for & what's it's purpose?


    Also having had a read through the forums I noticed a 1.8 vec owner blanked the EGR off, why would you do this?


    G

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    Regular Member ChrisBilly's Avatar
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    Exhaust Gas Return/Recirculation value. It puts exhaust gas back into the combustion process to reduce harmfull emissions.
    Blanking it off reduces soot (not really an issue on 1.8's) and I think it can increase power. Also one less thing to go wrong. A tech2 session is required to program it out if blanking.
    Last edited by ChrisBilly; 13th February 2011 at 20:35.

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    Quote Originally Posted by ChrisBilly View Post
    Exhaust Gas Return/Recirculation value. It puts exhaust gas back into the combustion process to reduce harmfull emissions.
    Blanking it off reduces soot (not really an issue on 1.8's) and I think it can increase power. Also one less thing to go wrong. A tech2 session is required to program it out if blanking.

    Is it worth while doing?


    G

  4. #4
    Regular Member ChrisBilly's Avatar
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    If its not giving you problems I wouldn't bother. My egr was leaking/sucking air and causing the eml to stay on, and making the the car run rich. I tried blanking it but it choked the engine and kept cutting out unless I held the revs really high. In the end I got a genuine second hand egr for £20 (cheaper than a tech2 session) and the problem was solved.
    I think i've read of people not needing tech2 but might be confusing it with the 2.0.

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