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Thread: smoke from cat on startup

  1. #1
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    Default smoke from cat on startup

    guys, on startup idle theres smoke coming from the exhaust which looks like unburnt fuel, and i looked under the car today and theres smoke coming from the mesh looking part of the cat.....

    any ideas, ive seen a issue with this before but cant seem to find it

    cheers

  2. #2
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    is it likely to be the flexi joint gone on the exhaust?

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Yes very common. Custom exhaust place should be able to sort it for you for £80.

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    what size is the flexi joint?

    also would this cause smoke out of the exhaust?

    mij do uni flexi joints so i may go for that if i can get the right size

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Don't know the size for sure but 52mm or 56mm seems to ring a bell.

    As for smoke what colour is it? You say unburn't fuel but is that what you smell or what you think you see? Think I had that with mine. It came out from underneath the car at the drivers door. Was coming from the bust flexi.

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