Valve. Exhaust. Gas. RECIRCULAT. Recirculation (EGR). EGR Backpressure Transducer.
A Valve used to recirculate small amounts of Exhaust Back into the combustion chambers of the engine in order to decrease the combustion temperature, thereby reducing the formation of smog-producing nitrogen oxides. Stamped #XL3E9D475D2A. Vendor:MOTORCRAFT.

EGR Valve

Fits Expedition (2003 - 2004)

2.5 liter. 4.0 LITER, 2002-05. 4.6 LITER. 4.6 LITER, 2002-05. 4.6 LITER, w/Mach 1. Contour, Mystique; 2.5L. Cougar; 2.5L. Expedition; 4.6L. Explorer, Mountaineer. Mustang; 4.6L.
EGR Valve - Repair or Replace
A failed EGR valve will often have no noticeable symptoms beyond a check engine light, but it does cause your Ford Expedition to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Ford genuine parts.