× 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: input needed on '99 cummins in a p/u
Posted to HD/Fleet Forum on 3/11/2004 1 Reply

Trent,

Can you confirm the lift pump pressures you mentioned? If I remember right, the manual says it should be a minimum of 10psi. I think my 99 had 13 psi at idle, and 10 psi at 2000 RPM last time I checked. I've got a 133K on the original LP. Think I ough... Login to read more.

1 Replies Received (View Replies)