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Thread: egr possibly?

  1. #1
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    Default egr possibly?

    rite guys when i fire my 1.9cdti 150 up sumtimes it pulls rite from low revs quick and smooth the other times its slow and very clunky

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    so could it be the egr thanx if any 1 can help

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Sounds like the EGR is 'sticking', but the CDTI's have never been good with low down torque.

    Gazza4

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    Regular Member m8internet's Avatar
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    Have you driven diesels before?
    If you need to accelerate then you need to drive the car in the "power band", unlike a petrol
    This is even more essential in a turbo diesel, where you need to have the engine at about 2000rpm

    If you are doing this, or this issue has suddenly appeared, then from reading about the 1.9 CDTI there are some known problems which result in erratic power availability
    I'm quite sure someone with a 1.9 CDTI can confirm this, but swirl flaps seem to be the most common cause

    If the car is still under warranty (up to 3 years / 60K miles) or Network Q then get down to a VX dealership and have them look at it

    If the car is out of warranty, then wait until the problem is more permanent and hopefully a fault code is recorded
    Phone around and get some quotes for a diagnosis and TEC2, prices vary from "free" to £150

    Quote Originally Posted by Gazza4 View Post
    but the CDTI's have never been good with low down torque
    Perhaps you mean the 1.9 CDTI as mine works fine at high gear / low torque
    I can even drive at 30mph in 6th gear, just don't expect rapid acceleration!

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    yeah had 1.7dti astra befor the vec and always acel to 2000 rpm befor gear change its just a pain when it works fine then its lumpy and had manifold changed how much can i get a new egr for

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    Full Member Big Sig's Avatar
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    Could be the swirl valves too, have you checked? You may find a few keys from your key board in there too
    Now I need a turbo to keep up!

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    had swirl valves replaced and im terible for missing letters

  8. #8
    Full Member Big Sig's Avatar
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    well that rules them out then. As above, give the EGR a clean before you replace it as some have had good results with this.
    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

    Default

    Quote Originally Posted by m8internet View Post
    Have you driven diesels before?
    If you need to accelerate then you need to drive the car in the "power band", unlike a petrol
    This is even more essential in a turbo diesel, where you need to have the engine at about 2000rpm

    If you are doing this, or this issue has suddenly appeared, then from reading about the 1.9 CDTI there are some known problems which result in erratic power availability
    I'm quite sure someone with a 1.9 CDTI can confirm this, but swirl flaps seem to be the most common cause

    If the car is still under warranty (up to 3 years / 60K miles) or Network Q then get down to a VX dealership and have them look at it

    If the car is out of warranty, then wait until the problem is more permanent and hopefully a fault code is recorded
    Phone around and get some quotes for a diagnosis and TEC2, prices vary from "free" to £150


    Perhaps you mean the 1.9 CDTI as mine works fine at high gear / low torque
    I can even drive at 30mph in 6th gear, just don't expect rapid acceleration!
    Both. Also with regards to your comment regarding swirl flaps, they only affect performance over 2,500rpm and either cause smoking or low or high up the rev range depending whether they are closed or open.

    Gazza4

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    Regular Member m8internet's Avatar
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    With a failed EGR you usually get an unusual noise, similar to rushing water
    Are you getting that?
    Equally, has there been an increase in smoke?

    It is also possible that the replacement swirl valves have failed or affected something else
    One of these typical things, if it ain't broke don't fix
    When you do fix something it was actually something else that was causing that problem!

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