Get very bad shuttering between 2-4k rpms especially when I first start the car after it sits for a few hours. Thankfully I did get it logged.{3rd graph} All other graphs are me driving around town and doing pulls. The Service Engine Soon light popped on after I started the car today and it seems its starting to pop up more and more, than before when this issue arises, Engine Code would is:2A2C -DME: Mixture Control 2. Running MHD STAGE 1+ Tune. Reflashed back to stock still the same issue.