Differential Pressure Feedback EGR Sensor (Tube Mounted)
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2002 Mercury Sable, 2002 Mercury Mountaineer, 2002 Mercury Grand Marquis, 2002 Mercury Cougar, and 2002 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Tube mounted DPFE EGR sensor is identical in operation as remote mounted larger metal or plastic DPFE sensors and uses a one volt offset. HI and REF hose connections are marked on underside of sensor. See Fig 1.