Ford Mustang Forum - View Single Post - Used Tuner - erase old custom tunes?
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post #5 of (permalink) Old 01-22-2016
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dgc333's Avatar
Joined: Dec 2015
Posts: 470
The tune is specific to the strategy code of the ECU. These codes change from time to time during a model year so if the OPs car and the previous owners car had the same code the tune would work but I wouldn't use them unless I new what mods the tunes were made for.

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