when replacing the ECM on a 97 sentra with another used ECM do i have to have it flashed by the dealership?
my 97 nissan sentra want start after trying many different things I was told by a mechamnic that its probley the ECM, I purchased a used one that matched but do I need to have the dearlership Flash it for me?
The ECM did not require a reflash just as long as the numbers match.
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