Audi ECU -

4d0 907 551AH  /  0 261 204 346   /   551 AH

Up for sale is a Working, in excellent condition 1998-2000 Audi A4 / A6 V6 ECU. This may also work with other 2.8 V6 Audi / VW models. Audi part number listed at top, match this. 

As always your best bet is to match the part numbers with the part you need. A faulty ECU is a common no start or random stalling problem with these cars. These can also cause issues with erroneous check engine lights, idle control problems as well as emission control & cold or hot start problems. Low power & lean running are also fair game. I have also seen fuel pump relay turn on faults (ECU won't turn on the fuel pump), as well as an condition where the high speed injector driver has failed. This causes the car to sit and idle fine, but it won't accelerate. Comes with a 30 day functionality guarantee, please see the details related to this on the return policy details section of this listing.