junior davis Posted November 4, 2011 Report Share Posted November 4, 2011 can anyone let me know if my car will have the same program i had downloaded to the ecu after my battery went dead will my car even start  Quote Link to comment Share on other sites More sharing options...
Simon Posted November 4, 2011 Report Share Posted November 4, 2011 Yep ECU is totally powered down when key is off. You should be able to take ECU out and leave for years and the memory / tune will be retained Quote Link to comment Share on other sites More sharing options...
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