Hi guys, has anybody had problems with the tps on an ls2 tb? I have a fast 90 intake with an ls2 tb on my 02 z, the car starts up fine but I get codes p1220 and p1221 also when I scan the car,my tps is at 19% with the key on, engine off. I know thats not right with the tps, does anyone know how to reset it?
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