× 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: MAP's use on OBD2
Posted to Educators Forum on 1/9/2009

I believe the MAP comes into play to monitor the EGR operation. It detects the change in Manifold Pressure/Vacuum when it opens? Login to read more.