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Discussion Starter #1
I’ve been stuck with an issue, swapping my ej205 wrx with an ej207 sti. I’ve been doing some research and would like someone to confirm if I’m correct. So I’ve been using the original ecu (ej205) on the new engine and it dies when I plug the mass air flow. After surfing the internet I figure I need a new ecu. I’ve been told I need to get the v7 STI ecu but I’m not 100% sure. Can anyone confirm if I’m correct and if it will fix my issue
 
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