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    Posted by Michael Whitworth on January 8, 2006, 10:23 pm, in reply to "Scoda Octavia 1.9TDi 2002 Engine code ASV 29054 miles"

    Hi John,

    Code 17965 means controlled boost pressure has been exceeded (positve boost deviation). On a VNT(Variable nozzle Turbo) the most likely cause will be the turbo itself sticking. these turbos can be stripped and cleaned but invariabley will be back again in 6 months. Best course of action is a new turbo. Incidently Garret state these turbos are non servicable and therefore not reconditionable.

    Hope this helps,

    Mike

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