× 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: More P0171/174 fun: '03 Expedition 4.6L
Posted to Technical Theory Forum on 5/23/2007 1 Reply

Here's my take on this.

I suspect that the results of the current-ramp test were done @ idle, not with the pressure/volume loss present, correct? Under those conditions, the pump is essentially doing what it normally does, that is working against regulated h... Login to read more.

1 Replies Received (View Replies)