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I have a 91 SE-R with a DE-T, my ecu was already programmed once but i wanted to tune it better. I heard there might be some programs on the net, if anyone has any info it will be appreciated.
if the car was running perfect before and all you changed was the fuel pump, then you don't need a new program. Maybe an adjustable fuel pressure regulator to make sure that the fuel pressure is correct, but that's it.
