the egr light is on,I replaced the egr valve with a new one and it is still on on 1994 Infiniti J30

I replaced the egr valve per nissans instruction and the egr light is still on I disconnected the battery over nite how do I shut the light off?

Asked by for the 1994 Infiniti J30
did you ck passages and elet circuit? these can be treaky issues,alot of poss causes you may want to seek adv
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you shouldbe able to clear the code with a scanner unless you have another problem