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Has anyone tried to swap an ecu

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Old 02-06-2005, 09:50 AM
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Default Has anyone tried to swap an ecu

from 1 model year to another '02a4-05a4? If so, did it work?
Old 02-06-2005, 10:14 AM
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Default Certtain ECU's are interchangeable, but I can almost guarantee.....

the combo you're entertaining is not. An '02 A4 and the '05 A4 are definitely not interchangeable. For starters, the engine codes should be the same, with the same trans, same ignition systems, same evap, same fueling, etc, same number of cylinders, etc. There's a chart of what's currently known as interchangeable.
Old 02-08-2005, 01:44 AM
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Thanks.
Old 02-08-2005, 02:06 AM
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02+ has immobilizer iirc.
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