× 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: 90 grand prix -code 42 est
Posted to Technical Discussion Forum on 5/25/2004

Hello [...] for your [...] it was the bypass going to 5 volts at startup but then going to o volts because it did not see the est signal go to 5 volts when bypass was [...] again. Login to read more.