I would consider dealer flashing it before installing a programmer of your own. Some have conflict with others, it would be safer that way, so you know you have a clean slate.
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06 2500 programmed
My brother just purchased an 06 and dealer didn't know if it had been programmed or anything, but it does roll quite a bit of smoke. Was wondering if there was anyway to tell if the ecu has been flashed or not
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An air filter stuffed with mud.
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