2004 Expedition 5.4 P0171 & P0174 Codes Fixed!!

These codes on this Expedition, was due to a cracked intake manifold. It's a common issue on these 5.4s to have intake gasket issues which will code for p0171 & p0174. Not saying it will be the issue with yours , just the most common and the issue with mine. Remember to Subscribe!!

P0171 Code Explained: Causes, Diagnosis & Fix for Vacuum Leak / System Too Lean Bank 1

LEAN CODES P0171 P0174 STOP! CHECK FUEL PRESSURE! 01 Ford F150 5.4L! #automobile #diagnosis #ford

Causes and Fixes P0174 Code: System Too Lean (Bank 2)

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Using a smoke machine to find a vacuum leak in a 2001 F150. codes PO171, PO174 fixed!

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Causes and Fixes Ford P0174 Code: System Too Lean Bank 2

Causes and Fixes Ford P0171 Code: System Too Lean (Bank 1)

Code P0171 in Ford Autos | How to Fix

P1131 p0171 p1072 p0175. 2003 ford E350 5.4

P0171 P0174 ¡ME LLEVO HORAS PERO YA QUEDO!

Every engine part changed, still has P0171 P0174 codes Pt1

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