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

by in Cedar Lake, IN on October 29, 2011
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1 answer 2 comments
ANSWER by , October 29, 2011
your missing a number after the 0. we need that number to help you. Roy
COMMENT by , October 29, 2011
Ok its P0401....thank you!
COMMENT by , October 30, 2011
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