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Thread: 1.9 CDTi 04 Vectra - (Possible EGR Valve/Swirl Flap problem) Please tell me which :D

  1. #1
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    confused 1.9 CDTi 04 Vectra - (Possible EGR Valve/Swirl Flap problem) Please tell me which :D

    Now then, firstly a quick hello as I am new to this forum. Secondly I have just bought a used 1.9 CDTi Vectra to replace my 2001 2.0Dti Vectra, I was told that it had a faulty EGR Valve and the price was adjusted accordingly to reflect the repair needed. Now I'm not anywhere near as clued up on cars as I would like to be and so I thought this was a quick fix and a fair deal. On further inspection my mate hooked up his code reader and found various faults starting with the EGR Valve, I think the 'rail......' something was also suggested, after the EGR was disconnected it also found a fault with the Swirl Flaps, when looking for said flaps it was noticed that the linkage system was nowhere to be seen and the rubber 'top' of the third from the right where the linkage should be attached is fairly worn.

    Now the effect on the car is as follows.
    1. On first start after being left overnight everything starts and runs fine for around 10 miles/15 minutes. The engine then dramatically loses power and will not rev higher than 2000rpm from standing, it will continue at higher speed if already there but slowly loses speed on the flat and drastically uphill.

    2. To remedy this I restart the engine and all is fine although once it has happened once it will continue to do so every 1-2 minutes with the same problem.

    Please if anyone can put me in the right direction of what to attempt first I would be extremely grateful.

    Thanks in advance
    Matt

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    Not sure if it makes a difference but after being told that running with the EGR Valve disconnected may improve the situation, while the EML light which is constantly on, actually stayed off for around 5 minutes before returning :S the performance/problem was still just as before.

    Thanks again
    Matt

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    The 'rail...' part is something I would get clarified. As it could relate to the 'Swirl Bar actuator' rail - which will not show up a fault code. Or it could be the 'Fuel Rail' is down on pressure or something.

    The swirl bars are liek secondary small butterfly flaps in the second inlet port of each cylinder - hence 4 of them. They operated via the swirl bar rail/rod, which in turn is operated by the drive module. The Actuator controls the third swirl flap directly which control the other 3 via the control rod. On a fault with the drive mosdule will cause a fault. If the rail has fallen - common on the older manifold, then the car will drive either down on power higher or lower down the rev range depending on how the flaps have jammed.

    You really need to find out what was meant by the 'rail...' comment m8 as that could be the fuel rail.

    Gazza4

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    Thanks for the reply. It was the fuel rail, couldn't quite remember untilyou just mentioned it.

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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 MT82LFC View Post
    Thanks for the reply. It was the fuel rail, couldn't quite remember untilyou just mentioned it.

    Get that checked and why it is low on pressure (if that is the problem). When did you buy the car and was it trade or private?

    Gazza4

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    I bought the car as a trade sale on Sunday accepting the 'running fault' on the understanding that it was the EGR valve. More fool me eh :S

    The car runs absolutely fine until the situation occurs, full on power and good fuel consumption.

    Thanks
    Matt

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    On the understanding it is the EGR fault so technically, you have a good reason to go back - as it's not the EGR fault. I would get back to them this week m8.

    Gazza4

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    Already tried that, they say that because I have signed the receipt that states I am aware of the 'running fault' then they won't do anything.

    So do you think that it may be something with the fuel rail for starters. Will this put the car in 'limp mode'?

    Thanks
    Matt

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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 MT82LFC View Post
    Already tried that, they say that because I have signed the receipt that states I am aware of the 'running fault' then they won't do anything.
    Just to clarify, what fault have you signed to say you accept?

    Quote Originally Posted by MT82LFC View Post
    So do you think that it may be something with the fuel rail for starters. Will this put the car in 'limp mode'?
    The fuel rail issue may be caused by a faulty sensor or fuel pump, this is why I'm asking what fault you have agreed is showing up on your car.

    I would be phoning trading standards m8, personally I don't like the sound of this deal, imo. Plus I don't think they can do that actually.

    Gazza4

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    The receipt literally says 'running fault'. I wa probably a bit naive about that bit. We live and learn I suppose.

    Would the fuel rail problem not be a constant one from what I've read and also give trouble starting?

    Thanks

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