Update:
I sent the nonfunctional Mine's ECU back to Mr. Shu in Japan and he agreed to give me another ECU. I received a Blitz Access ECU and it works perfectly! No more fuel cut nor speed cut!
I sent the nonfunctional Mine's ECU back to Mr. Shu in Japan and he agreed to give me another ECU. I received a Blitz Access ECU and it works perfectly! No more fuel cut nor speed cut!