how much will it cost to replace an EGR circuit with the diagnostic code of P040 on 2001 Oldsmobile Alero

The check engine light keeps coming on

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1 answer 2 comments
your missing a number after the 0. we need that number to help you.

Roy
Ok its P0401....thank you!
that is a code for insufficient flow. you need to verify that vacuum and exhaust are getting to the valve before jumping to any conclusions. I would have a shop verify this and give you a pin point reason for the failure.

Roy