Hi Khi.
I also have a 2.5 TDI V6 Audi A6.
I once had the same problem.
You have to check if all the ingition plugs are working. If so, it could be air in the system. It can get in though the diesel return hoses. If those are ok, check the retaining valve that is mounted on the diesel filter.
So...
Hi.
Are you sure you don't have a leak on the return diesel hoses of the injectores?
Or if the diesel pump has wrong mounting timing?
I also had some problems on mine, and had to take the car to the diesel pump specialist so that he could redo the timing. Because m mechanic had mounted the pump...
Hi Skyworm.
That´s a good car to buy, so congratulations!
As for the remapping. Do it! More power, more economy.
The dash LCD has to be replaced, no other way. Google for it, you will find some topics and nice price for replacement
;-) Big
Hi. No need to replace them. Just sand them and polish them. You can find many DIY's on the net.
I've done it on my A6, and the result was great! ;-)
Big.
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