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1996 Pontiac Grand Am Question: I cleared EGR problem. Do I need to clear the check engine light?

 

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bobsco, 3.1L V6, Victorville, CA, January 20, 2012, 20:44
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Had code P0401. Cleaned carbon out of passageway from EGR to throttle body (intake) account insufficient flow. Do I need to clear the check engine light or will it go out on its own? I need to get the car smogged.

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