Replaced throttle position sensor, now gas pedal doesn't work

Hi this is Dusty, I'm one of the auto experts on RepairPal's Car Genius team. There's lots of possibilities here depending on which engine your Santa Fe is equipped with. It could be a separate mechanical issue with the accelerator linkage, or a simple TPS adjustment, or idle adjustment. Give us a call at (877) 913-1554 and we can look specifically into your vehicle's configuration to move things to the next steps.