I bought the Pro Racer package from SCT and had a shop help me with the base tuning then I have been playing with it all day. They set up an open loop tune and a closed loop base tune and I actually made the open loop better. The problem I'm having is in the closed loop tune coming back down to an idle. All of the parameters are the same for idle between the tunes, my only thought is the computer trying to adjust the AFR, but data logging shows the short fuel trims bouncing between .95 and 1.03 so they are close. If anybody has ideas, I'm all ears.
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