WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
SPECIAL TOOL DESCRIPTION
Exhaust Back Pressure Gauge 309-D002 (D95L-6000-A) or equivalent
Socket, Exhaust Gas Oxygen Sensor 303-476 (T94P-9472-A)