Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor - Tube Mounted

The tube mounted DPFE sensor is identical in operation as the larger plastic DPFE sensors and uses a 1.0 volt offset. The HI and REF hose connections are marked on the side of the sensor.

Fig 1: Identifying DPFE Sensor - Tube Mounted

Courtesy of FORD MOTOR CO.