set tps to .42 take the car around the block...get back in the driveway and its reved to like 2 grand and just stays there. key on tps is now .68 and im getting a code 22 on scanmaster. so i bought a new tps and iac and im getting the same results. short drive get back the car stays reved up and tps numbers are totally different from when i just set them. not sure whats going on. screws are tight. just unhooked the battery and hooked it back up...tps was reset to .42. turn the car off turn it back on and its automatically down to .38... can somebody tell me whats going on?