× 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: 91 Chevy PU, 4.3L, MAP
Posted to Technical Discussion Forum on 7/26/2000

[...trimmed text...]

Thanks for responding Brad. I guess I left alot outtta my message. Vacuum with the map electrical disconnected is a steady 19 and the engine runs great. When I reconnect it and start the engine again,... Login to read more.