I dont know what yoru state requirements are. If they are pluging into it, that means they are IM240. That means they are all the readiness tests have been done.
If you are looking to just sneak through, you can clear it, run it for a drive cycle (Not JUST around the block) and see if the code comes back.
It surfaces USUALLY below freezing, so you might be able to sneak through.
THe correct fix is the no longer avalible PROM. Discos from 97-99 have it in theres. Maybe, if you can find a broken computer of these years(Cheap) you can swap proms.
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Good place to start.
