× 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: 1991 Isuzu 4BD2T fuel pump
Posted to HD/Fleet Forum on 8/14/2018

Found the running pressure spec I was looking for in the 4BD1 section 2 "light repair" manual. Should be 25-35 psi. Mine is definitely a dead puppy. (I already knew that, but I wanted official proof)

I simulated the bench vacuum test, and it wouldn't even pu... Login to read more.