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Tech Article
Audi C5 A6 Quattro 4.2 V8 Engine Control UnitLast Updated: 09/25/2017 | | Parts Group: Fuel injection computer | This article discusses the engine control unit (ECU) on a 2000 Audi A6 Quattro with the 4.2 V8. My focus here is on how much it helped to swap out the part.
If you're not here for the technical analysis but would rather buy a used unit from us ... then please select the link below.The information herein is based on my personal car.
One of our cars has been the black sheep of our project car family. It's had multiple issues that defied almost every solution we threw at them. Finally, we changed the ECU, and the car runs fine and all the error codes are gone, except for one error code that we know to be legitimate.
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