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Thread: DTUK Green Box Problem

  
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    DTUK Green Box Problem

    I have a Twintop 1.9cdti with a green box fitted. Been absolutely superb for 18 months until the last couple of weeks when the engine has become very lumpy under load. I've tried turning the power both up and down and this has made no difference. With the box off the problem goes away.

    Any advice guys please?
    Twintop Design, 1.9 CDTI, Leather, Cruise Control, Keyless, Adaptive Forward Lighting, DTUK Green Box.

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    Sounds like the EGR may need a clean?

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    Why does the problem go away with the box off?
    Twintop Design, 1.9 CDTI, Leather, Cruise Control, Keyless, Adaptive Forward Lighting, DTUK Green Box.

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    Quote Originally Posted by jran7337 View Post
    Sounds like the EGR may need a clean?
    If the problem goes when the box is removed doesnt that make it a problem with the box?

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    Thats what I'm trying to find out. DTUK say:

    "people are having problems with boxed cars, remove the box and no problems... Eventually the egr packs up and once replaced the box is reapplied and the problems have gone."

    Just trying to check this statement out with other users... If its correct why does having the box off make a difference?

    Cheers
    Twintop Design, 1.9 CDTI, Leather, Cruise Control, Keyless, Adaptive Forward Lighting, DTUK Green Box.

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    Quote Originally Posted by filtee View Post
    If the problem goes when the box is removed doesnt that make it a problem with the box?
    not necessarily no

    if the EGR is right on the limit then without the box its working just about OK, but with the box (and when you're giving it some) it might just take the gases over and the EGR is failing?

    have you had the EGR off and had a look?

    I hope its not your DPF!

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    IIRC there was a thread on here a couple of months ago that decrisbed similar fault, ie. worked fine boxless but was in limp mode with the box on.

    Andrew sated to check EGR and user thought it was box at fault (for similar reasons you are stating), it turned out to be the EGR though, so worth checking imo.

    I will try and find the thread for you.

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    Here you go:

    http://www.astraownersclub.com/vb/sh...ight=egr+valve

    Not exactly the same problem but very similar. If in doubt contact Andrew, i am sure he will help you out mate.

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    I doubt its the DPF as I do most of my miles on motorway and understand the DPF normally fails with lots of stop start low speed trips?

    Cheers Red!
    Twintop Design, 1.9 CDTI, Leather, Cruise Control, Keyless, Adaptive Forward Lighting, DTUK Green Box.

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    Just read that. Sound similar. Guess keep the box off until the next service then get them to check the egr. Could the green box be the reason for the egr failing or is it not related? ie it would have gone either way?

    Is it now a matter of time before the egr valve packs up completely?
    Twintop Design, 1.9 CDTI, Leather, Cruise Control, Keyless, Adaptive Forward Lighting, DTUK Green Box.

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