Problems with fault code 21? [Archive] - Toyota MR2 Message Board

oxygen, code, fault, fuse, diagram, 3s-gte, engine, thankfull, wiring, wrong,also, measured, sensor, quickly,i, sensor,so, problems, preheater, voltage

Need help quickly,I get fault code 21 (Oxygen sensor) and measured that I have 0 voltage to the preheater on oxygen sensor,so I need to know if there is an fuse for this or what could be wrong,also thankfull for an wiring diagram?! Car is -91 Mr2 with 3S-GTE engine!