Valve. Gas. Exhaust. 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.

EGR Valve

Fits Mustang

4.0 LITER. 4.0 LITER, 2005-07. 4.0 LITER, 2008-09. Mustang; 4.0L.
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 2013 Ford Flex to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Ford genuine parts.