× 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: P0171B Fuel Trim system lean
Posted to Technical Discussion Forum on 8/27/2006

Hi Jeff,

[...trimmed text...]

There's a couple TSBs for P0171 on this engine

[...trimmed text...]

Check for a loose intake causing vacuum leaks.

Bob

Login to read more.