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common problems?

Discussion in 'A6/S6/Allroad forum (C6 Chassis)' started by stu_m, May 15, 2012.

  1. stu_m
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    stu_m Well-Known Member VCDS Map User

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    [May 15, 2012]
    Hi all

    I own a A4 b6 so don't frequent in here but wondering if you guys can help me

    My bro is on the look out for a 2.0 tdi 2005 A6 avant so I just want to know if there is any common problems to look out for?

    He has seen one but has a rattle on the engine at tick over and apparently is due to low fuel pressure but drives OK that's a new one to me anyone heard of that before? i told him to leave it

    I have full VCDS too so any purchase will be getting a scan first and a check over

    Thanks in advance Stu
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  3. Turbo unit
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    Turbo unit Member

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    [May 15, 2012]
    what kind of a rattle???....May be sumert silly like a heat shield!
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  4. stu_m
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    stu_m Well-Known Member VCDS Map User

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    [May 15, 2012]
    I couldn't tell you to be honest it just says on the advert rattle on engine due to low fuel pressure! we are all clued up when it comes to these things but not sure if this is some sort of common problem plus its 100 miles away and a bit far to go to listen to a rattle when he could get a same spec car for the same price closer with no rattle.

    To be honest we wont be going for that one as I say its just too far to go to find out if its a big problem or nothing so really after any common probs with these cars.
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  5. Turbo unit
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    Turbo unit Member

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    [May 15, 2012]
    The only common problem i can think of and what can cost alot is vnt systems on the turbo!
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  6. stu_m
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    stu_m Well-Known Member VCDS Map User

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    [May 15, 2012]
    sticking vanes? and things like that which can also be a problem on the A4
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  7. elan2s
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    elan2s Member

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    [May 16, 2012]
    Oil pumps are known to be a problem on that engine
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  8. Turbo unit
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    Turbo unit Member

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    [Jun 14, 2012]
    ^^^^true and oil pick up
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