× 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: 87 cougar 3.8 runs terrible
Posted to Technical Discussion Forum on 11/13/2005

david lets do the basics. koeo. unplug the tps and check for vref. is it 5 volts? next the ground is it .1 volts? next check the map hz. is it 159 hz? ect and iat are they 3 volts?

lemme know. Login to read more.