Flashing shift light=missfire?

01yellercobra

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Just want other people's thoughts on this. I have a Raptor shift light in my car. When under boost it will flash like it's being reset sometimes. It never did this when I was NA. I'm already planning on closing the gap a little since I hwve a stutter around 3500rpm. Would a missfire cause the light to flash like that? The light is connected to the number one COP at the ECU per the I instructions I used when I installed it years ago.

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