EGR Flow Insufficient is the error code its throwing. This is a 2003 Mitsubishi Outlander 2WD. I had a mechanic replace the EGR valve and clean out the Vacuum Control Valve. He also took apart the intake manifold and cleaned everything inside. But its still throwing off the error code. Can someone give me a list of parts (maybe with pictures?) of the EGR system for this vehicle?? VIN number is JA4LX41G13U027159. Any ideas on what else I can do to fix this problem?? My father-in-law had the same problem with his '97 Toyota Corolla. Is this a common problem??