I have a honda Accord 01/2.3 Engine.with the check engine light On Code# PO401 on 2001 Honda Accord

PO401 exhaust gas recirculation Flow Insuffcient

by in Selma, CA on April 01, 2012
1 answer
ANSWER by , April 01, 2012
ck for a restriction in the egr system to start with. possibly under the egr valve