NEED HELP W/ TPS

ok...hears the story...i got a f.c. t.b. and orignaly put the tps in the wrong slot....the car went crazy....so i switched the tps location and it was all fine and dandy...but a few days ago...the cel came on and now the car is holding revs even after i push in the clutch...and i dont have cruse but i can be in gear, not tuch the gas, and stay at a steady speed....the obdII said it was the tps or the map....i think its tps any input would help........................also...i went to my ford dealer and thay were like"$33.75"or some [censored]....and 4 days to get it in....so any one no a good quick cheep place to get it.?