× 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: Powerstroke problems
Posted to HD/Fleet Forum on 7/3/1999

Steve,

No, I ment to watch the ICP signal to see if the pressure reading dropped too low--below 400 PSI CA/500 PSI FED--for the engine to run. Unplugging the ICP causes the PCM to default to 725 PSI, and the engine will run, but the ICP is the monitoring sen... Login to read more.