camarors96

I have 1996 camaro 3.8, The service engine soon light keeps coming on after reset. Code for tp sensor. I have replaced tp sensor. after driving car for 3 days light came on again? Ive tried adjusting it with an multimeter. put if i adjust it starting from the top it idles way too high. if Ijust put it on it runs fine but then the check engine light comes on again?wtf???