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Thread: When does the egr valve operate?

  1. #1
    Full Member Big Sig's Avatar
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    Default When does the egr valve operate?

    Ok so I know they recirculate exhaust gas to reduce Nox but when do they operate? Do they open and close all the time when driving or just under set conditions?

    Simple answers would be great
    Now I need a turbo to keep up!

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    On light throttle until they are open upto 4,000rpm. On full throttle they close after 2,000rpm.

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    Full Member Big Sig's Avatar
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    Quote Originally Posted by GazCDTI150 View Post
    On light throttle until they are open upto 4,000rpm. On full throttle they close after 2,000rpm.
    On most cars or is that VX only?
    Now I need a turbo to keep up!

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Quote Originally Posted by Big Sig View Post
    On most cars or is that VX only?

    I can only speak for the CDTI 150 as that's what I was told be a deisel specialist but I don't imagine others would be diiferent - by much.

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