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View Full Version : s6 ecu to a6 4.2

miro 4.2
08-19-2005, 10:42 AM
can i put s6 ecu on a6 4.2 with engine code ars
PaulW
08-23-2005, 07:09 AM
BrianG
06-20-2006, 10:01 PM
plus, the ECU interacts with other control units on the system communication bus. I think the instrumentation controller will detect the ECU and it won't let you start the car.