As Archion said, the only time a TPS should need adjusted is when the base idle screw is adjusted. This is why factory replacement TPS units do not have enlarged holes that allow you to adjust the TPS. I sure hope the TPS screws on the older trucks are easier to remove than the newer Fords. For some reason Ford decided to locktite the screws on the newer vehicles, and the only way to remove them is with vise grips when the screw is hot, or cut the heads off and then remove the screws with vise grips.