× 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: Developmentally disabled 89 Jeep Cherokee
Posted to Technical Discussion Forum on 2/15/2002

The engine vac is 12-15 when in open loop and running too rich. It goes up to 17 - 18 when in closed loop. Check one of my previous responds to see sensor data.

[...trimmed text...]

Login to read more.