× 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 5/24/2019 2 Replies

Joe,

I tested the pressure in the fuel filter bowl at idle was 90 psi. I hooked a vacuum gauge to the fuel pump inlet and it never went below 3" hg at 100% load.

I'm going to test the fuel pressure under 100% load next.

One other thing, The last test dr... Login to read more.

2 Replies Received (View Replies)