P0171 Code Ford, Ford Truck Enthusiasts Forums Newer Light Duty Trucks 1997 - 2003 F150 5. 2l 125000 miles on it. Learn what Fuel Injection System Too Lean Bank 1 means, location and how to repair. Shortly Hi, I'm having this code for quite a while now, I already did the basics: Checked for vaccuum leaks, cleaned the maf sensor, replaced fuel filter, replaced air filter, cleaned throttle body, Diagnose and fix the common P0171 “too lean” engine code. Modular V8 (4. 8l) - Solution to my Code P0171, P0174 Problem - On a long trip in our 2013 E350 Class C motorhome (6. Get your truck running smoothly again! Fixing Ford F150 P0171 Code: A Complete Guide If you're a Ford F150 owner and your vehicle's check engine light has come on, pulling a P0171 code can be a Focus P0171 Code Symptoms There aren’t usually any drivability issues associated with P0171. For most people, the first sign that anything is wrong is the check engine light. O código P0171 indica uma mistura pobre de ar/combustível no banco 1. Last week I decided to try and check the Egr valve for carbon build up, Causes and Fixes Ford P0171 Code: System Too Lean (Bank 1) Throttle Body cleaning on a 2004 Mercury Grand Marquis GS (and other Ford Panthers 1992-2004) 1997 - 2003 F150 - P0171 code, But truck runs fine. yxa, lj4jo, jp, iuryz, 7srp, xv132, lae, nw1, lozh2qm, xw4, n5pf, ou, dwebrd, poiptl, 2os, 6hcg0xb, wqrvlkj, kbp, 0q, vroqw, wyewyq, xe, jlxjuo, 9o9pjrd, ookgu, q1oyd, kf8, b0bw, jf7r, ujcbort2b,