All the symptoms of a bad intake manifold controller. Do a search I think it's called a IMRC it's real easy to check it it is. On start up the cable pulls taunt.
If this is it you are in for a surprise when it's fixed because it really kills performance and mileage.
Originally Posted by amc49
I wouldn't hesitate to tear down the absolute latest in automotive technology to immediately understand half of it instantly and the other half in less than a half hour. .