Check Engine light on 2002 Ford Explorer

My check engine light came on, the truck has 90,000 miles on it, runs like a top, how do you shut off the light?

Thanks

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1 answer
you can have the light diagnosed at autozone for free but if you just want to shut the light off all you need to do is remove both the positive and negative cables from the battery for about 30 seconds and it will reset the computer, but if the light comes back on then this is an indication that the problem still persists