× 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: Windstar 3.8 Code P0171 & P0174 Lean exhaust
Posted to Technical Tips Forum on 11/9/2006

[...trimmed text...]

Hi Terry,

So you replaced intake manifold gaskets,plenum gaskets and bolts as per TSB and still had these codes? Then u packed the seal with grease and after the fuel trims were back to normal?

I ... Login to read more.