Audi A4 2.0
#1
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Hello, I have an issue with my Audi A5. I have recently swapped the engine for the the vehicle form the stock A5 2.0 engine to the same 2.0 engine from an A4 vehicle. The ECU on the A4 engine was tuned and I opted for the ECU to be swapped out with a new one that has not been tuned but as I installed the new ECU the vehicle will not engage gear. Anyone with a solution.
1. Old ecu part number is 8K2907115P
2. New ECU part number is 8K2907115AE
1. Old ecu part number is 8K2907115P
2. New ECU part number is 8K2907115AE
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