Update.
This last tank I got 19.66 mpg. I think it should be better but I'll take what I can get. Still have the high idle at start, but I notice that if I pull it from park straight into neutral, and back to park, the idle falls from 1500 to about 1000 and stays there.
2nd thing I notice now is a high pitch squeal at part throttle. Goes away when more pedal is given, and when I coast. Just hear it at part throttle.
Other than little stuff, I really like driving it. Cranks for 2-3 seconds and fires up every time. Drives nice and is more quiet than a lot we test drive.