VR6-RR 0 Posted December 22, 2009 Report Share Posted December 22, 2009 Hi guys need some help, I have the 2.9 block in it, but I am still running the ecu from the 2.8. This is how I bought the car.Couple of questions1. What problems will this cause e.g will the fuelling be wrong and burn more fuel?2. Is it easy to to just replace it with the correct unit without re-programming anything?Any help is appreciatedRich Link to post Share on other sites
UnitedMotorsport 55 Posted December 22, 2009 Report Share Posted December 22, 2009 What is the part number of the ECU you have? Link to post Share on other sites
VR6-RR 0 Posted December 22, 2009 Author Report Share Posted December 22, 2009 The part number I have for it is021 906 258 ASoftware coding 02612000496I got this from vag com, and I definitely know that the engine is a abv Link to post Share on other sites
Rikki 2 Posted December 22, 2009 Report Share Posted December 22, 2009 Shouldnt matter im runnin a charged 2.9 on 2.8 management? Link to post Share on other sites
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