s6 ecu to a6 4.2

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08-19-2005, 10:42 AM

miro 4.2

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s6 ecu to a6 4.2

can i put s6 ecu on a6 4.2 with engine code ars

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08-23-2005, 07:09 AM

PaulW

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I wouldn't try it, most likely the two engines have different redlines and injector sizes

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06-20-2006, 10:01 PM

BrianG

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These engines have more differences than you think. I don't think it will work...

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.

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