Ok so I took it back to the dealership because: One it had a major coolant leak after they worked on it. And two because of the sputtering issue. I wont even get into the customer services issues at that place....... But...

they said it was either the TPS or the MAF? I asked well witch one? He goes could be either. So I said well lets start with the TPS. I ask how much is is going to cost? He tells me $130 for the part... $120 in labor! I said... "dude you charged me $400 for an entire valve job"? you are telling me it takes an hour and a half to do a TPS? He said it is a very difficult process! I said Do it! then he tells me it will be a week to get the part! I laughed and left. Picked up an OEM - Denso exact match TPS from Autozone for $75 took me 30 mins to install and adjust it. Apparently that was the problem. It seams to run pretty well now!

Thank you all for the help!!!!