× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: GM P0401 ' EGR SYSTEM FLOW INSUFFICIENT' QUESTION
Posted to Technical Discussion Forum on 3/1/2007

[...trimmed text...]

To me, this sounds like 45k & 10 years old. My experience with elderly owned, hardly driven hard miles, vehicles; cooling system issues always seem to be evident. Tiny leaks, little seeps, never reall... Login to read more.