× 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: No Boost Unless MAP Unplugged
Posted to HD/Fleet Forum on 7/19/2021

I have had this type of prob a long time ago...try a hard reset on ecm and see if the ECM comes around... Login to read more.