WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
SPECIAL TOOL(S)
Courtesy of FORD MOTOR CO.
Exhaust Back Pressure Gauge 309-D002 (D95L-6000-A) or equivalent
Courtesy of FORD MOTOR CO.
Socket, Exhaust Gas Oxygen Sensor 303-476 (T94P-9472-A)