Try to pull the codes but my guess would be:

- The engine temperature sensor needs to be replaced - $20 and easy to do.

- dirty injectors - run a bottle of Techrom injector cleaner in a tank or two.

Find another dealer fast or, better yet find an independent with a good
reputation with the locals.

helendawnw wrote:
> Hi, I’ve been having problem with the A6, 2003 model.
>
> It run well when its going and starts up first time when its cold but
> when the engine is still warm it takes a while. I’ve read a few post
> and it appears to be a reasonably common fault.
>
> Has anyone got it fixed or found out exactly what the fault is?
>
> However, strangely enough I took the car into Lincoln, Audi and it
> appeared that they’d never seen this type of fault before. They have
> even told me I could need a new pump, which they say will be just
> under 2 grand!!!!
>
> I can only think thats incorrect as the car runs so well once its
> started.
>
> All suggections and advice would be great!
>