× 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: 7.3L diesel HPOP testing
Posted to HD/Fleet Forum on 5/22/2019 14 Replies

The fuel pressure regulator is in the fuel filter return line fitting at the fuel filter housing. Install a gauge on the port at the rear of the housing to see what the pump is producing--it should be 55-65 PSI with no load. The regulated pressure should be 65... Login to read more.

14 Replies Received (View Replies)