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No check engine light and no accessport. It was protuned using Ecutek. I was only driving casually then suddenly there was a drop in acceleration. It was tuned about 9 months ago. Any idea on what happened?
One night when I was driving home with my 2015 STi I noticed a large drop of acceleration. The next day, I started my car and noticed that there was no noise coming out of my tail pipes, also there was no white smoke while warming it up. I tried to drive it to check it, unfortunately the turbo...
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