Possible causes – Differential Pressure Feedback Electronic Sensor harness is open or shorted– Differential Pressure Feedback Electronic Sensor circuit poor electrical connection– Faulty Differential Pressure Feedback Electronic Sensor Tech description There is a factory service bulletin for the following Ford models: 2000-2002 Ford Taurus2001-2002 Ford Crown Victoria2001-2002 Ford Focus2001-2002 Ford Mustang2001 Ford Explorer USPS2001-2002 Ford…