Re: codes P0171, P0174 Lincoln LS V6"
I Have A 2000 Ls W/130000+ Miles Had Car For 2 Years No Problems Till 3wks Ago P0171/p0174 Took Apart Intake Manifold Found 2 Oil Soaked Plugs 4 Spark Plug Boots Sweled Pcv Was Verey Dirty Elbow From Pcv Was Cracked Egr Valve Was Also Verey Dirty Throtell Body Dirty. Replaced Plugs/pcv Valve/spark Plug Boots/ Broken Elbow From Pcv Valve /cleaned Throtell Body /egr Valve /put Fuel Injector Cleaner Waiting On 1 Part From Dealer To Check And See If Problem Solved. Not Any Easy Task If You Your Not Mechanicly Inclined Any Qustions Ask
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