Quick question for the group? I have a 2003 Kia Rio 73500k Runs great. Engine light came on about 700 miles ago. I ran the diagnostic and came up with a slow response O2 sensor, I have not replaced it yet but I noticed this morning that the light is now out. Does anyone know if after X amount of miles does the light reset itself or possibly the o2 sensor is functioning better now.
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16 years ago