Check your old post. I told you on post #3 what fixed mine. Can't keep on asking the same questions if you didn't make a change.
Quote:
Originally Posted by zyh66619941008@gmail.com
What brand are you guys tuning on Ess m3? Ess told me to use stock but I seem to have power issues, like the rpm struggles on 6 to 7 K rpm. I have stock spark plugs( newly installed when I got the supercharger) could the issue be my spark plugs or my old coil packs.
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