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Thread: 2.0 TDI making noise and bucking at low revs

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  1. 2.0 TDI making noise and bucking at low revs 
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    28avant's Avatar
    28avant
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    Default 2.0 TDI making noise and bucking at low revs – 22-07-2020,08:35 PM
    When I accelerate between 1700 and 2000 rpm the car makes a strange noise similar to turbo flutter and the car bucks plus a ton of black smoke comes out the back.

    I scanned with vcds and there's no codes present. I've checked the turbo and it's boosting correctly, fuel injectors are not deviating and egr is operating correctly.

    Engine is a BRE and it's done 205,000k

    The only thing that stands out is a slightly kinked metal inter cooler pipe behind the bumper but I don't think it's that

    I managed to record the sound with a go pro attached underneath but I still can't make out where it's coming from ...

    Any help appreciated
    Thank you
    2007 le mans 3.0 tdi quattro
     
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  2. Re: 2.0 TDI making noise and bucking at low revs 
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    Crasher
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    Default Re: 2.0 TDI making noise and bucking at low revs – 22-07-2020,11:09 PM
    Suggests a split boost hose.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

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  3. Re: 2.0 TDI making noise and bucking at low revs 
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    dean warren
    dean warren is offline 2nd Gear
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    Default Re: 2.0 TDI making noise and bucking at low revs – 24-07-2020,11:25 AM
    My dads 2.0l a6 had a small hole in his intercooler that smoked and made a hissing noise.


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