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Thread: EGR Valve question

  1. #1
    Regular Member CH-VECTRA-ELITE's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : CDTI 150 (Z19 DTH)

    Year : 2006

    Mileage : 140000

    Default EGR Valve question

    Whilst finding that my boost pipe had split and I was doing a temp fix, I thought i'd see how hard/easy it was to take the EGR valve off and give it a clean.

    As I expected it was full of crud but the solenoid area was nice and clean and was moving freely. So my question is do I drill a 3mm hole on top of the valve so I can spray WD40 in it to keep it moving freely or just leave it??

    I run out of carb cleaner so need to take it back off again to finish cleaning, but will order the fiat gasket plates and put them on after the clean. Even with the temp fix on the boost pipe and a semi clean EGR valve the car drives much better, pulls away better than it ever did in the year that i've had it, but also now my EML is on, i'm guessing it's because I took the EGR off but i never started the car while it was off shouldn't it go out or will i now have to get a tech 2 connected to clear all the faults. Maybe the EGR valve is faulty???

  2. #2
    Regular Member CH-VECTRA-ELITE's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : CDTI 150 (Z19 DTH)

    Year : 2006

    Mileage : 140000

    Default


  3. #3
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    Default smoke

    did u have smoke coming out the back is that why u took the egr off or hoses split if so did it solve the problem i have the smoke when starting and pulling away from the lights any help will do thanks

  4. #4
    Regular Member CH-VECTRA-ELITE's Avatar
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    Vehicle : Vectra Estate

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    Engine : CDTI 150 (Z19 DTH)

    Year : 2006

    Mileage : 140000

    Default

    never had any smoke come out of the car. I've always had lag on acceleration and it got worse last week, so checked the boost hose to find it has a big split, so took the EGR valve off as well to see how dirty it was. Car has improved a lot but now i have the exhaust gases warning light.

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    Default

    you might not get much smoke on the estate as the DPF will filter that out, but beware of it getting clogged up

  6. #6
    Regular Member CH-VECTRA-ELITE's Avatar
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    Vehicle : Vectra Estate

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    Engine : CDTI 150 (Z19 DTH)

    Year : 2006

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    Default

    maybe but my car has never done a regen in the time i've had it so not sure if the DPF has been mapped out

  7. #7
    Regular Member alcutler's Avatar
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    Vehicle : vectra c 1.9cdti 120 estate

    Trim : design



    Default

    Quote Originally Posted by CH-VECTRA-ELITE View Post
    Whilst finding that my boost pipe had split and I was doing a temp fix, I thought i'd see how hard/easy it was to take the EGR valve off and give it a clean.

    As I expected it was full of crud but the solenoid area was nice and clean and was moving freely. So my question is do I drill a 3mm hole on top of the valve so I can spray WD40 in it to keep it moving freely or just leave it??

    I run out of carb cleaner so need to take it back off again to finish cleaning, but will order the fiat gasket plates and put them on after the clean. Even with the temp fix on the boost pipe and a semi clean EGR valve the car drives much better, pulls away better than it ever did in the year that i've had it, but also now my EML is on, i'm guessing it's because I took the EGR off but i never started the car while it was off shouldn't it go out or will i now have to get a tech 2 connected to clear all the faults. Maybe the EGR valve is faulty???
    Hi, Just replaced my EGR and cleaned the boost sensor as well as replacing the vacuum pipes - runs a lot better but still a flat spot / stutter when accerating in first and second gear - I now want to try the Fiat gaskets - do you have any further info and where do I get them
    also do I need 2 or will one do the job, Thanks

  8. #8
    Regular Member CH-VECTRA-ELITE's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : CDTI 150 (Z19 DTH)

    Year : 2006

    Mileage : 140000

    Default

    http://www.vectra-c.com/forum/showth...t=48513&page=5

    Have a look at this thread, picture of gasket is half way down page, part numbers on page 6

  9. #9
    Regular Member alcutler's Avatar
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    Vehicle : vectra c 1.9cdti 120 estate

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    Default

    Quote Originally Posted by CH-VECTRA-ELITE View Post
    http://www.vectra-c.com/forum/showth...t=48513&page=5

    Have a look at this thread, picture of gasket is half way down page, part numbers on page 6
    Hi Thanks for the reply - sorry should have said mine is the 120 - if I can find a picture I will make one (or two) out of copper plate

  10. #10
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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

    Default

    A valve which fails to open due to solenoid failure (open circuit) will put the spanner light on. If the soleniod physically doesn't work - ie move with an electrical signal or the valve is blanked it will put on the emissions light.

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