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I have had the P0410 ( left bank SAI code) now come in 3x ... ~ once/1500 miles: no big deal, clear the code in seconds, save on tape! - and keep the CEL circuit active in case something really important should be flashed to your attention!!
That's the way to go. I do it that way. Not only does it get rid of an annoying light, but the car passes emission inspection in PA also. I thought that the CEL comes on mainly for emission related issues, and when it's something significant the light flashes.