so I loaded a pretty basic tune, basically some more rail pressure, timing and duration. Go and drive it and at about 1400-2000rpm with about 5-15% throttle, let off suddenly and rail pressure hangs up for about 5 seconds. Adjusted the rail pressure down at that range and no change. Tried messing with the FCA pids and not any real change. Tune was started off a stock tune on EFI live tune library. Any ideas???? sorry don't have a log on hand but can get one