× 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: I988 F150 Runs bad under load after tuneup
Posted to Technical Discussion Forum on 1/22/2019

Dan is right. Put a vac gage on it and report back. Must check while under load. Also check MAP, it is on the firewall , right side. Login to read more.