OK thanks for the offer....
I have a 4 cyl Isuzu pickup. The O2 light was on so I replaced the O2 sensor, but the light is still on.
It was suggested that I disconnect the battery for a while to let the system reset, but since my terminals are stuck to the batt, I have not done that yet, because I will have to replace the battery clamps in order to do the job.
What else can be causing this light ????
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